Merge remote-tracking branch 'fjt_dev/develop_SA_L3' into NR_SA_itti_sim_wk48

dc364ba4 · yoshio.inoue · f1537ee9 · e5a048d3 · dc364ba4 · dc364ba4
Commit dc364ba4 authored Jan 20, 2021 by yoshio.inoue
102 changed files
--- a/ci-scripts/xml_files/gnb_nr_ue_usrp_run.xml
+++ b/ci-scripts/xml_files/gnb_nr_ue_usrp_run.xml
@@ -52,7 +52,7 @@
        <testCase id="090102">
                <class>Initialize_OAI_UE</class>
                <desc>Initialize NR UE USRP</desc>
-		<Initialize_OAI_UE_args>--phy-test --usrp-args "addr=192.168.30.2,second_addr=192.168.50.2,clock_source=external,time_source=external" --ue-rxgain 75 --threadoffset 16 --rrc_config_path .</Initialize_OAI_UE_args>
+		<Initialize_OAI_UE_args>--phy-test --usrp-args "addr=192.168.30.2,second_addr=192.168.50.2,clock_source=external,time_source=external" --ue-rxgain 75  --rrc_config_path .</Initialize_OAI_UE_args>
 		<air_interface>NR</air_interface>
        </testCase>


--- a/ci-scripts/xml_files/gnb_nr_ue_usrp_run_multi_thread.xml
+++ b/ci-scripts/xml_files/gnb_nr_ue_usrp_run_multi_thread.xml
@@ -52,7 +52,7 @@
        <testCase id="090104">
                <class>Initialize_OAI_UE</class>
                <desc>Initialize NR UE USRP</desc>
-		<Initialize_OAI_UE_args>--phy-test --usrp-args "addr=192.168.30.2,second_addr=192.168.50.2,clock_source=external,time_source=external" --ue-rxgain 75 --threadoffset 16 --rrc_config_path .</Initialize_OAI_UE_args>
+		<Initialize_OAI_UE_args>--phy-test --usrp-args "addr=192.168.30.2,second_addr=192.168.50.2,clock_source=external,time_source=external" --ue-rxgain 75  --rrc_config_path .</Initialize_OAI_UE_args>
 		<air_interface>NR</air_interface>
        </testCase>


--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -3242,6 +3242,7 @@ add_executable(nr_dlschsim
  ${OPENAIR_DIR}/common/utils/system.c
  ${OPENAIR_DIR}/common/utils/nr/nr_common.c
  ${OPENAIR_DIR}/common/utils/utils.c
+  ${OPENAIR_DIR}/common/utils/threadPool/thread-pool.c
  ${UTIL_SRC}
  ${T_SOURCE}
  ${SHLIB_LOADER_SOURCES}
@@ -3256,6 +3257,7 @@ add_executable(nr_pbchsim
  ${OPENAIR_DIR}/common/utils/system.c
  ${OPENAIR_DIR}/common/utils/nr/nr_common.c
  ${OPENAIR_DIR}/common/utils/utils.c
+  ${OPENAIR_DIR}/common/utils/threadPool/thread-pool.c
  ${UTIL_SRC}
  ${T_SOURCE}
  ${SHLIB_LOADER_SOURCES}
@@ -3272,6 +3274,7 @@ add_executable(nr_pucchsim
  ${OPENAIR_DIR}/common/utils/nr/nr_common.c
  ${OPENAIR_DIR}/common/utils/system.c
  ${OPENAIR_DIR}/common/utils/utils.c
+  ${OPENAIR_DIR}/common/utils/threadPool/thread-pool.c
  ${UTIL_SRC}
  ${T_SOURCE}
  ${SHLIB_LOADER_SOURCES}
@@ -3290,6 +3293,7 @@ add_executable(nr_dlsim
  ${OPENAIR2_DIR}/RRC/NAS/nas_config.c
  ${OPENAIR1_DIR}/SIMULATION/ETH_TRANSPORT/netlink_init.c
  ${NFAPI_USER_DIR}/nfapi.c
+  ${OPENAIR_DIR}/common/utils/threadPool/thread-pool.c
  ${UTIL_SRC}
  ${T_SOURCE}
  ${SHLIB_LOADER_SOURCES}
@@ -3309,6 +3313,7 @@ add_executable(nr_prachsim
  ${OPENAIR2_DIR}/RRC/NAS/nas_config.c
  ${OPENAIR1_DIR}/SIMULATION/ETH_TRANSPORT/netlink_init.c
  ${NFAPI_USER_DIR}/nfapi.c
+  ${OPENAIR_DIR}/common/utils/threadPool/thread-pool.c
  ${UTIL_SRC}
  ${T_SOURCE}
  ${SHLIB_LOADER_SOURCES})

--- a/common/utils/LOG/log.h
+++ b/common/utils/LOG/log.h
@@ -148,6 +148,7 @@ extern "C" {
 #define DEBUG_SECURITY     (1<<11)
 #define DEBUG_NAS          (1<<12)
 #define DEBUG_RLC          (1<<13)
+#define DEBUG_DLSCH_DECOD  (1<<14)
 #define UE_TIMING          (1<<20)


@@ -166,6 +167,7 @@ extern "C" {
    {"SECURITY",    DEBUG_SECURITY},\
    {"NAS",         DEBUG_NAS},\
    {"RLC",         DEBUG_RLC},\
+    {"DLSCH_DECOD", DEBUG_DLSCH_DECOD},\
    {"UE_TIMING",   UE_TIMING},\
    {NULL,-1}\
  }

--- a/common/utils/threadPool/thread-pool.c
+++ b/common/utils/threadPool/thread-pool.c
@@ -92,7 +92,7 @@ void *one_thread(void *arg) {
  } while (true);
 }

-void initTpool(char *params,tpool_t *pool, bool performanceMeas) {
+void initNamedTpool(char *params,tpool_t *pool, bool performanceMeas, char *name) {
  memset(pool,0,sizeof(*pool));
  char *measr=getenv("threadPoolMeasurements");
  pool->measurePerf=performanceMeas;
@@ -116,6 +116,7 @@ void initTpool(char *params,tpool_t *pool, bool performanceMeas) {
  pool->restrictRNTI=false;
  curptr=strtok_r(parms_cpy,",",&saveptr);
  struct one_thread * ptr;
+  char *tname = (name == NULL ? "Tpool" : name);
  while ( curptr!=NULL ) {
    int c=toupper(curptr[0]);

@@ -129,7 +130,7 @@ void initTpool(char *params,tpool_t *pool, bool performanceMeas) {
        break;

      default:
-	ptr=pool->allthreads;
+        ptr=pool->allthreads;
        pool->allthreads=(struct one_thread *)malloc(sizeof(struct one_thread));
        pool->allthreads->next=ptr;
        printf("create a thread for core %d\n", atoi(curptr));
@@ -138,7 +139,7 @@ void initTpool(char *params,tpool_t *pool, bool performanceMeas) {
        pool->allthreads->pool=pool;
        //Configure the thread scheduler policy for Linux
        // set the thread name for debugging
-        sprintf(pool->allthreads->name,"Tpool_%d",pool->allthreads->coreID);
+        sprintf(pool->allthreads->name,"%s%d_%d",tname,pool->nbThreads,pool->allthreads->coreID);
        threadCreate(&pool->allthreads->threadID, one_thread, (void *)pool->allthreads,
                     pool->allthreads->name, pool->allthreads->coreID, OAI_PRIORITY_RT);
        pool->nbThreads++;

--- a/common/utils/threadPool/thread-pool.h
+++ b/common/utils/threadPool/thread-pool.h
@@ -45,7 +45,7 @@
 #define condwait(condition, mutex) AssertFatal(pthread_cond_wait(&condition, &mutex)==0,"");
 #define condbroadcast(signal) AssertFatal(pthread_cond_broadcast(&signal)==0,"");
 #define condsignal(signal)    AssertFatal(pthread_cond_broadcast(&signal)==0,"");
-
+#define tpool_nbthreads(tpool)   (tpool.nbThreads)
 typedef struct notifiedFIFO_elt_s {
  struct notifiedFIFO_elt_s *next;
  uint64_t key; //To filter out elements
@@ -294,6 +294,6 @@ static inline int abortTpool(tpool_t *t, uint64_t key) {
  mutexunlock(nf->lockF);
  return nbRemoved;
 }
-void initTpool(char *params,tpool_t *pool, bool performanceMeas);
-
+void initNamedTpool(char *params,tpool_t *pool, bool performanceMeas, char *name);
+#define  initTpool(PARAMPTR,TPOOLPTR, MEASURFLAG) initNamedTpool(PARAMPTR,TPOOLPTR, MEASURFLAG, NULL)
 #endif
--- a/common/utils/threadPool/thread-pool.md
+++ b/common/utils/threadPool/thread-pool.md
@@ -112,13 +112,13 @@ No delete() call, same principle as not thread safe queues
 # Thread pools

 ## initialization
-The clients can create one or more thread pools with init_tpool()
+The clients can create one or more thread pools with `initTpool(char *params,tpool_t *pool, bool performanceMeas  )` or `initNamedTpool(char *params,tpool_t *pool, bool performanceMeas , char *name)`

 the params string structure: describes a list of cores, separated by "," that run a worker thread

 If the core exists on the CPU, the thread pool initialization sets the affinity between this thread and the related code (use negative values is allowed, so the thread will never be mapped on a specific core).

-The threads are all Linux real time scheduler, their name is set automatically is "Tpool_<core id>"
+The threads are all Linux real time scheduler, their name is set automatically to `Tpool<thread index>_<core id>` if initTpool is used or to `<name><thread index>_<core id>` when initNamedTpool is used.

 ## adding jobs
 The client create their jobs messages as a notifiedFIFO_elt_t, then they push it with pushTpool() (that internally calls push_notifiedFIFO())
@@ -132,11 +132,13 @@ A abort service abortTpool() allows to abort all jobs that match a key (see jobs
 Nevertheless, jobs already performed before the return of abortTpool() are pushed in the response Fifo queue.

 ## API details
-Each thread pool (there can be several in the same process) should be initialized
+Each thread pool (there can be several in the same process) should be initialized once using one of the two API's:

-### initTpool(char *params,tpool_t *pool, bool performanceMeas) is to be called oncepool
+### initNamedTpool(char *params,tpool_t *pool, bool performanceMeas,char *name)

-the configuration parameter is a string, elements separated by ",":
+### initTpool(char *params,tpool_t *pool, bool performanceMeas)
+
+`params`: the configuration parameter is a string, elements separator is a comma ",". An element can be:

 * N: if a N is in the parameter list, no threads are created
    The purpose is to keep the same API in any case
@@ -151,9 +153,11 @@ example: "-1,-1,-1"
 as there is no core number -1, the thread pool is made of 3 floating threads
 be careful with fix allocation: it is hard to be more clever than Linux kernel

-pool is the memory you allocated before to store the thread pool internal state (same concept as above queues)
+`pool` is the memory you allocated before to store the thread pool internal state (same concept as above queues)
+
+`performanceMeas` is a flag to enable measurements (well described in documentation)

-performanceMeas is a flag to enable measurements (well described in documentation)
+`name` is used to build the thread names. 

 ### pushTpool(tpool_t *t, notifiedFIFO_elt_t *msg)


--- a/doc/FEATURE_SET.md
+++ b/doc/FEATURE_SET.md
@@ -295,6 +295,7 @@ The following features are valid for the gNB and the 5G-NR UE.
 - NR RRC (38.331) Rel 15 messages using new asn1c 
 - LTE RRC (36.331) also updated to Rel 15 
 - Generation of CellGroupConfig (for eNB) and MIB
+- Generation of system information block 1 (SIB1)
 - Application to read configuration file and program gNB RRC
 - RRC can configure PDCP, RLC, MAC

@@ -305,7 +306,8 @@ The following features are valid for the gNB and the 5G-NR UE.
 **gNB MAC**
 - MAC -> PHY configuration using NR FAPI P5 interface
 - MAC <-> PHY data interface using FAPI P7 interface for BCH PDU, DCI PDU, PDSCH PDU
- Scheduler for RA procedreat gNB
+- Scheduler procedures for SIB1
+- Scheduler procedures for RA
 - MAC downlink scheduler (fixed allocations)
 - MAC header generation (including timing advance)
 - ACK / NACK handling and HARQ procedures for downlink
@@ -350,11 +352,13 @@ The following features are valid for the gNB and the 5G-NR UE.

 ## UE Higher Layers ##

-**gNB MAC**
- Initial sync and MIB detection
- MAC -> PHY configuration of PHY via UE FAPI P5 interface
- Basic MAC to control PHY via UE FAPI P7 interface
- Random access procedure
+**UE MAC**
+*  Minimum system information (MSI)
+    - Initial sync and MIB detection
+    - System information block 1 (SIB1) reception
+*  MAC -> PHY configuration of PHY via UE FAPI P5 interface
+*  Basic MAC to control PHY via UE FAPI P7 interface
+*  Random access procedure


 **RLC**

--- a/doc/RUNMODEM.md
+++ b/doc/RUNMODEM.md
@@ -132,6 +132,40 @@ With the RF simulator (on the same machine):

 `sudo RFSIMULATOR=127.0.0.1 ./nr-uesoftmodem --do-ra --rfsim --parallel-config PARALLEL_SINGLE_THREAD`

+## sa setup with OAI
+
+The sa flag is used to run gNB in standalone mode. Currently OAI in NR standalone mode transmits and receives SIB1.
+
+In order to run gNB in standalone mode, the following flag is needed at gNB:
+
+`--sa`
+
+### Run OAI in sa mode
+
+At the gNB the --sa flag does the following
+- it reads the RRC configuration from the configuration file
+- it encodes the RRCConfiguration and the RBconfig message and stores them in the binary files rbconfig.raw and reconfig.raw
+- the RRC encodes SIB1 according the configuration file and transmits it through PDSCH
+
+At the UE the --sa flag will
+- read the binary files rbconfig.raw and reconfig.raw from the current directory (a different directory can be specified with the flag --rrc_config_path) and process them.
+
+From the `cmake_targets/ran_build/build` folder:
+
+gNB on machine 1:
+
+`sudo ./nr-softmodem -O ../../../targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.usrpb210.conf --sa`
+
+UE on machine 2:
+
+`sudo ./nr-uesoftmodem --rrc_config_path . --sa`
+
+With the RF simulator (on the same machine):
+
+`sudo ./nr-softmodem -O ../../../targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.usrpb210.conf --rfsim --sa`
+
+`sudo ./nr-uesoftmodem --rrc_config_path . --rfsim --sa`
+
 ## IF setup with OAI

 The -C and -CO flags can be used together at UE side to set custom downlink and uplink FR1 intermediate frequencies for the IF equipment.

--- a/executables/nr-softmodem.c
+++ b/executables/nr-softmodem.c
@@ -300,87 +300,11 @@ void exit_function(const char *file, const char *function, const int line, const
 }


-void *l2l1_task(void *arg) {
-  MessageDef *message_p = NULL;
-  int         result;
-  itti_set_task_real_time(TASK_L2L1);
-  itti_mark_task_ready(TASK_L2L1);
-  /* Wait for the initialize message */
-  printf("Wait for the ITTI initialize message\n");
-
-  do {
-    if (message_p != NULL) {
-      result = itti_free (ITTI_MSG_ORIGIN_ID(message_p), message_p);
-      AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
-    }
-
-    itti_receive_msg (TASK_L2L1, &message_p);
-
-    switch (ITTI_MSG_ID(message_p)) {
-      case INITIALIZE_MESSAGE:
-        /* Start gNB thread */
-        LOG_D(EMU, "L2L1 TASK received %s\n", ITTI_MSG_NAME(message_p));
-        start_gNB = 1;
-        break;
-
-      case TERMINATE_MESSAGE:
-        printf("received terminate message\n");
-        oai_exit=1;
-        start_gNB = 0;
-        itti_exit_task ();
-        break;
-
-      default:
-        LOG_E(EMU, "Received unexpected message %s\n", ITTI_MSG_NAME(message_p));
-        break;
-    }
-  } while (ITTI_MSG_ID(message_p) != INITIALIZE_MESSAGE);
-
-  result = itti_free (ITTI_MSG_ORIGIN_ID(message_p), message_p);
-  AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
-  /* ???? no else but seems to be UE only ???
-    do {
-      // Wait for a message
-      itti_receive_msg (TASK_L2L1, &message_p);
-
-      switch (ITTI_MSG_ID(message_p)) {
-      case TERMINATE_MESSAGE:
-        oai_exit=1;
-        itti_exit_task ();
-        break;
-
-      case ACTIVATE_MESSAGE:
-        start_UE = 1;
-        break;
-
-      case DEACTIVATE_MESSAGE:
-        start_UE = 0;
-        break;
-
-      case MESSAGE_TEST:
-        LOG_I(EMU, "Received %s\n", ITTI_MSG_NAME(message_p));
-        break;
-
-      default:
-        LOG_E(EMU, "Received unexpected message %s\n", ITTI_MSG_NAME(message_p));
-        break;
-      }
-
-      result = itti_free (ITTI_MSG_ORIGIN_ID(message_p), message_p);
-      AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
-    } while(!oai_exit);
-  */
-  return NULL;
-}

 int create_gNB_tasks(uint32_t gnb_nb) {
  LOG_D(GNB_APP, "%s(gnb_nb:%d)\n", __FUNCTION__, gnb_nb);
  itti_wait_ready(1);

-  if (itti_create_task (TASK_L2L1, l2l1_task, NULL) < 0) {
-    LOG_E(PDCP, "Create task for L2L1 failed\n");
-    return -1;
-  }

  if (gnb_nb > 0) {
    /* Last task to create, others task must be ready before its start */
@@ -419,7 +343,7 @@ int create_gNB_tasks(uint32_t gnb_nb) {
  }


-  if (AMF_MODE_ENABLED && (get_softmodem_params()->phy_test==0 && get_softmodem_params()->do_ra==0)) {
+  if (AMF_MODE_ENABLED && (get_softmodem_params()->phy_test==0 && get_softmodem_params()->do_ra==0 && get_softmodem_params()->sa==0)) {
    if (gnb_nb > 0) {
      /*
      if (itti_create_task (TASK_SCTP, sctp_eNB_task, NULL) < 0) {
@@ -717,7 +641,6 @@ int stop_L1L2(module_id_t gnb_id) {

  /* these tasks need to pick up new configuration */
  terminate_task(TASK_RRC_ENB, gnb_id);
-  terminate_task(TASK_L2L1, gnb_id);
  LOG_I(GNB_APP, "calling kill_gNB_proc() for instance %d\n", gnb_id);
  kill_gNB_proc(gnb_id);
  LOG_I(GNB_APP, "calling kill_NR_RU_proc() for instance %d\n", gnb_id);
@@ -753,13 +676,6 @@ int restart_L1L2(module_id_t gnb_id) {
  rrc_enb_init();
  itti_mark_task_ready(TASK_RRC_ENB);

-  if (itti_create_task (TASK_L2L1, l2l1_task, NULL) < 0) {
-    LOG_E(PDCP, "Create task for L2L1 failed\n");
-    return -1;
-  } else {
-    LOG_I(PDCP, "Re-created task for L2L1 successfully\n");
-  }
-
  /* pass a reconfiguration request which will configure everything down to
   * RC.eNB[i][j]->frame_parms, too */
  msg_p = itti_alloc_new_message(TASK_ENB_APP, RRC_CONFIGURATION_REQ);
@@ -851,6 +767,9 @@ int main( int argc, char **argv )
  if (get_softmodem_params()->do_ra)
    AssertFatal(get_softmodem_params()->phy_test == 0,"RA and phy_test are mutually exclusive\n");

+  if (get_softmodem_params()->sa)
+    AssertFatal(get_softmodem_params()->phy_test == 0,"Standalone mode and phy_test are mutually exclusive\n");
+
 #if T_TRACER
  T_Config_Init();
 #endif

--- a/executables/nr-ue.c
+++ b/executables/nr-ue.c
@@ -411,7 +411,7 @@ void processSlotRX( PHY_VARS_NR_UE *UE, UE_nr_rxtx_proc_t *proc) {
    phy_procedures_slot_parallelization_nrUE_RX( UE, proc, 0, 0, 1, UE->mode, no_relay, NULL );
 #else
    uint64_t a=rdtsc();
-    phy_procedures_nrUE_RX( UE, proc, 0, UE->mode);
+    phy_procedures_nrUE_RX( UE, proc, 0, UE->mode,get_nrUE_params()->nr_dlsch_parallel);
    LOG_D(PHY,"phy_procedures_nrUE_RX: slot:%d, time %lu\n", proc->nr_slot_rx, (rdtsc()-a)/3500);
    //printf(">>> nr_ue_pdcch_procedures ended\n");
 #endif
@@ -603,7 +603,7 @@ void *UE_thread(void *arg) {

  while (!oai_exit) {
    if (syncRunning) {
-      notifiedFIFO_elt_t *res=tryPullTpool(&nf, Tpool);
+      notifiedFIFO_elt_t *res=tryPullTpool(&nf,&(get_nrUE_params()->Tpool));

      if (res) {
        syncRunning=false;
@@ -629,7 +629,7 @@ void *UE_thread(void *arg) {
      syncData_t *syncMsg=(syncData_t *)NotifiedFifoData(Msg);
      syncMsg->UE=UE;
      memset(&syncMsg->proc, 0, sizeof(syncMsg->proc));
-      pushTpool(Tpool, Msg);
+      pushTpool(&(get_nrUE_params()->Tpool), Msg);
      trashed_frames=0;
      syncRunning=true;
      continue;
@@ -739,20 +739,19 @@ void *UE_thread(void *arg) {
    notifiedFIFO_elt_t *res;

    while (nbSlotProcessing >= RX_NB_TH) {
-      res=pullTpool(&nf, Tpool);
+      res=pullTpool(&nf, &(get_nrUE_params()->Tpool));
      nbSlotProcessing--;
      processingData_t *tmp=(processingData_t *)res->msgData;

      if (tmp->proc.decoded_frame_rx != -1)
        decoded_frame_rx=(((mac->mib->systemFrameNumber.buf[0] >> mac->mib->systemFrameNumber.bits_unused)<<4) | tmp->proc.decoded_frame_rx);
-        //decoded_frame_rx=tmp->proc.decoded_frame_rx;
+      else 
+         decoded_frame_rx=-1;

      pushNotifiedFIFO_nothreadSafe(&freeBlocks,res);
    }

-    if (  (decoded_frame_rx != curMsg->proc.frame_rx) &&
-          (((decoded_frame_rx+1) % MAX_FRAME_NUMBER) != curMsg->proc.frame_rx) &&
-          (((decoded_frame_rx+2) % MAX_FRAME_NUMBER) != curMsg->proc.frame_rx))
+    if (  decoded_frame_rx>0 && decoded_frame_rx != curMsg->proc.frame_rx)
      LOG_E(PHY,"Decoded frame index (%d) is not compatible with current context (%d), UE should go back to synch mode\n",
            decoded_frame_rx, curMsg->proc.frame_rx  );

@@ -779,18 +778,20 @@ void *UE_thread(void *arg) {

    nbSlotProcessing++;
    msgToPush->key=slot_nr;
-    pushTpool(Tpool, msgToPush);
+    pushTpool(&(get_nrUE_params()->Tpool), msgToPush);

-    if (IS_SOFTMODEM_RFSIM || IS_SOFTMODEM_NOS1) {  //getenv("RFSIMULATOR")
+    if ( IS_SOFTMODEM_RFSIM || IS_SOFTMODEM_NOS1) {  //getenv("RFSIMULATOR")
      // FixMe: Wait previous thread is done, because race conditions seems too bad
      // in case of actual RF board, the overlap between threads mitigate the issue
      // We must receive one message, that proves the slot processing is done
-      res=pullTpool(&nf, Tpool);
+      res=pullTpool(&nf, &(get_nrUE_params()->Tpool));
      nbSlotProcessing--;
      processingData_t *tmp=(processingData_t *)res->msgData;

      if (tmp->proc.decoded_frame_rx != -1)
        decoded_frame_rx=(((mac->mib->systemFrameNumber.buf[0] >> mac->mib->systemFrameNumber.bits_unused)<<4) | tmp->proc.decoded_frame_rx);
+      else 
+        decoded_frame_rx=-1;
        //decoded_frame_rx=tmp->proc.decoded_frame_rx;

      pushNotifiedFIFO_nothreadSafe(&freeBlocks,res);
@@ -841,11 +842,11 @@ void init_NR_UE_threads(int nb_inst) {
    LOG_I(PHY,"Intializing UE Threads for instance %d (%p,%p)...\n",inst,PHY_vars_UE_g[inst],PHY_vars_UE_g[inst][0]);
    threadCreate(&threads[inst], UE_thread, (void *)UE, "UEthread", -1, OAI_PRIORITY_RT_MAX);

-#ifdef UE_DLSCH_PARALLELISATION
-    pthread_t dlsch0_threads;
-    threadCreate(&dlsch0_threads, dlsch_thread, (void *)UE, "DLthread", -1, OAI_PRIORITY_RT_MAX-1);
-#endif
-
+     if(get_nrUE_params()->nr_dlsch_parallel)
+     {
+       pthread_t dlsch0_threads;
+       threadCreate(&dlsch0_threads, dlsch_thread, (void *)UE, "DLthread", -1, OAI_PRIORITY_RT_MAX-1);
+     }
  }
 }


--- a/executables/nr-uesoftmodem.c
+++ b/executables/nr-uesoftmodem.c
--- a/executables/nr-uesoftmodem.h
+++ b/executables/nr-uesoftmodem.h
--- a/executables/softmodem-common.h
+++ b/executables/softmodem-common.h
@@ -56,6 +56,7 @@ extern "C"
 #define CONFIG_HLP_UELOOP        "get softmodem (UE) to loop through memory instead of acquiring from HW\n"
 #define CONFIG_HLP_PHYTST        "test UE phy layer, mac disabled\n"
 #define CONFIG_HLP_DORA          "test gNB  and UE with RA procedures\n"
+#define CONFIG_HLP_SA            "run gNB in standalone mode\n"
 #define CONFIG_HLP_EXTS          "tells hardware to use an external timing reference\n"
 #define CONFIG_HLP_DMRSSYNC      "tells RU to insert DMRS in subframe 1 slot 0"
 #define CONFIG_HLP_CLK           "tells hardware to use a clock reference (0:internal, 1:external, 2:gpsdo)\n"
@@ -100,6 +101,7 @@ extern "C"
 #define TP_CONFIG           softmodem_params.threadPoolConfig
 #define PHY_TEST            softmodem_params.phy_test
 #define DO_RA               softmodem_params.do_ra
+#define SA                  softmodem_params.sa
 #define WAIT_FOR_SYNC       softmodem_params.wait_for_sync
 #define SINGLE_THREAD_FLAG  softmodem_params.single_thread_flag
 #define CHAIN_OFFSET        softmodem_params.chain_offset
@@ -119,6 +121,7 @@ extern "C"
    {"thread-pool",          CONFIG_HLP_TPOOL,        0,              strptr:(char **)&TP_CONFIG,         defstrval:"n",         TYPE_STRING, sizeof(TP_CONFIG)}, \
    {"phy-test",             CONFIG_HLP_PHYTST,       PARAMFLAG_BOOL, iptr:&PHY_TEST,                     defintval:0,           TYPE_INT,    0},                     \
    {"do-ra",                CONFIG_HLP_DORA,         PARAMFLAG_BOOL, iptr:&DO_RA,                        defintval:0,           TYPE_INT,    0},                     \
+    {"sa",                   CONFIG_HLP_SA,           PARAMFLAG_BOOL, iptr:&SA,                             defintval:0,           TYPE_INT,    0},                     \
    {"usim-test",            CONFIG_HLP_USIM,         PARAMFLAG_BOOL, u8ptr:&USIM_TEST,                   defintval:0,           TYPE_UINT8,  0},                     \
    {"clock-source",                CONFIG_HLP_CLK,          0,              uptr:&CLOCK_SOURCE,                 defintval:0,           TYPE_UINT,   0},                     \
    {"time-source",                CONFIG_HLP_TME,          0,              uptr:&TIMING_SOURCE,                 defintval:0,           TYPE_UINT,   0},                     \
@@ -213,6 +216,7 @@ typedef struct {
  char           threadPoolConfig[1024];
  int            phy_test;
  int            do_ra;
+  int            sa;
  uint8_t        usim_test;
  int            emulate_rf;
  int            wait_for_sync; //eNodeB only

--- a/nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_constants.h
+++ b/nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_constants.h
@@ -44,7 +44,7 @@
 #define FAPI_NR_DL_CONFIG_TYPE_DCI 0x01
 #define FAPI_NR_DL_CONFIG_TYPE_DLSCH 0x02
 #define FAPI_NR_DL_CONFIG_TYPE_RA_DLSCH 0x03
-
+#define FAPI_NR_DL_CONFIG_TYPE_SI_DLSCH 0x04

 #define FAPI_NR_CCE_REG_MAPPING_TYPE_INTERLEAVED 0x01
 #define FAPI_NR_CCE_REG_MAPPING_TYPE_NON_INTERLEAVED 0x02

--- a/openair1/PHY/INIT/nr_init.c
+++ b/openair1/PHY/INIT/nr_init.c
@@ -134,6 +134,7 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
  nr_generate_modulation_table();
  nr_init_pdcch_dmrs(gNB, cfg->cell_config.phy_cell_id.value);
  nr_init_pbch_interleaver(gNB->nr_pbch_interleaver);
+
  //PDSCH DMRS init
  gNB->nr_gold_pdsch_dmrs = (uint32_t ****)malloc16(fp->slots_per_frame*sizeof(uint32_t ***));
  uint32_t ****pdsch_dmrs             = gNB->nr_gold_pdsch_dmrs;

--- a/openair1/PHY/INIT/nr_init_ue.c
+++ b/openair1/PHY/INIT/nr_init_ue.c
@@ -586,6 +586,40 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue,
    }
  }

+  //PDCCH DMRS init (eNB offset = 0)
+  ue->nr_gold_pdcch[0] = (uint32_t ***)malloc16(fp->slots_per_frame*sizeof(uint32_t **));
+  uint32_t ***pdcch_dmrs = ue->nr_gold_pdcch[0];
+  AssertFatal(pdcch_dmrs!=NULL, "NR init: pdcch_dmrs malloc failed\n");
+
+  for (int slot=0; slot<fp->slots_per_frame; slot++) {
+    pdcch_dmrs[slot] = (uint32_t **)malloc16(fp->symbols_per_slot*sizeof(uint32_t *));
+    AssertFatal(pdcch_dmrs[slot]!=NULL, "NR init: pdcch_dmrs for slot %d - malloc failed\n", slot);
+
+    for (int symb=0; symb<fp->symbols_per_slot; symb++) {
+      pdcch_dmrs[slot][symb] = (uint32_t *)malloc16(NR_MAX_PDCCH_DMRS_INIT_LENGTH_DWORD*sizeof(uint32_t));
+      AssertFatal(pdcch_dmrs[slot][symb]!=NULL, "NR init: pdcch_dmrs for slot %d symbol %d - malloc failed\n", slot, symb);
+    }
+  }
+
+  //PDSCH DMRS init (eNB offset = 0)
+  ue->nr_gold_pdsch[0] = (uint32_t ****)malloc16(fp->slots_per_frame*sizeof(uint32_t ***));
+  uint32_t ****pdsch_dmrs = ue->nr_gold_pdsch[0];
+
+  for (int slot=0; slot<fp->slots_per_frame; slot++) {
+    pdsch_dmrs[slot] = (uint32_t ***)malloc16(fp->symbols_per_slot*sizeof(uint32_t **));
+    AssertFatal(pdsch_dmrs[slot]!=NULL, "NR init: pdsch_dmrs for slot %d - malloc failed\n", slot);
+
+    for (int symb=0; symb<fp->symbols_per_slot; symb++) {
+      pdsch_dmrs[slot][symb] = (uint32_t **)malloc16(NR_MAX_NB_CODEWORDS*sizeof(uint32_t *));
+      AssertFatal(pdsch_dmrs[slot][symb]!=NULL, "NR init: pdsch_dmrs for slot %d symbol %d - malloc failed\n", slot, symb);
+
+      for (int q=0; q<NR_MAX_NB_CODEWORDS; q++) {
+        pdsch_dmrs[slot][symb][q] = (uint32_t *)malloc16(NR_MAX_PDSCH_DMRS_INIT_LENGTH_DWORD*sizeof(uint32_t));
+        AssertFatal(pdsch_dmrs[slot][symb][q]!=NULL, "NR init: pdsch_dmrs for slot %d symbol %d codeword %d - malloc failed\n", slot, symb, q);
+      }
+    }
+  }
+
  // DLSCH
  for (eNB_id=0; eNB_id<ue->n_connected_eNB; eNB_id++) {
    for (th_id=0; th_id<RX_NB_TH_MAX; th_id++) {

--- a/openair1/PHY/NR_REFSIG/nr_gold_ue.c
+++ b/openair1/PHY/NR_REFSIG/nr_gold_ue.c
@@ -26,6 +26,7 @@ void nr_gold_pbch(PHY_VARS_NR_UE* ue)
  unsigned int n, x1, x2;
  unsigned int Nid, i_ssb, i_ssb2;
  unsigned char Lmax, l, n_hf, N_hf;
+  uint8_t reset;

  Nid = ue->frame_parms.Nid_cell;
  Lmax = ue->frame_parms.Lmax;
@@ -37,24 +38,12 @@ void nr_gold_pbch(PHY_VARS_NR_UE* ue)
      i_ssb = l & (Lmax-1);
      i_ssb2 = i_ssb + (n_hf<<2);

-      x1 = 1 + (1<<31);
+      reset = 1;
      x2 = (1<<11) * (i_ssb2 + 1) * ((Nid>>2) + 1) + (1<<6) * (i_ssb2 + 1) + (Nid&3);
-      x2 = x2 ^ ((x2 ^ (x2>>1) ^ (x2>>2) ^ (x2>>3))<<31);
-
-      // skip first 50 double words (1600 bits)
-      for (n = 1; n < 50; n++) {
-        x1 = (x1>>1) ^ (x1>>4);
-        x1 = x1 ^ (x1<<31) ^ (x1<<28);
-        x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);
-        x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28);
-      }

      for (n=0; n<NR_PBCH_DMRS_LENGTH_DWORD; n++) {
-        x1 = (x1>>1) ^ (x1>>4);
-        x1 = x1 ^ (x1<<31) ^ (x1<<28);
-        x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);
-        x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28);
-        ue->nr_gold_pbch[n_hf][l][n] = x1 ^ x2;
+        ue->nr_gold_pbch[n_hf][l][n] = lte_gold_generic(&x1, &x2, reset);
+        reset = 0;
      }

    }
@@ -69,41 +58,27 @@ void nr_gold_pdcch(PHY_VARS_NR_UE* ue,
  unsigned char ns,l;
  unsigned int n,x1,x2,x2tmp0;
  unsigned int nid;
+  uint8_t reset;

-    if (n_idDMRS)
-      nid = n_idDMRS;
-    else
-      nid = ue->frame_parms.Nid_cell;
+  if (n_idDMRS)
+    nid = n_idDMRS;
+  else
+    nid = ue->frame_parms.Nid_cell;

-    for (ns=0; ns<20; ns++) {
-
-      for (l=0; l<length_dmrs; l++) {
-
-    	x2tmp0 = ((14*ns+l+1)*((nid<<1)+1))<<17;
-        x2 = (x2tmp0+(nid<<1))%(1<<31);  //cinit
-
-        x1 = 1+ (1<<31);
-        x2=x2 ^ ((x2 ^ (x2>>1) ^ (x2>>2) ^ (x2>>3))<<31);
-
-        // skip first 50 double words (1600 bits)
-        for (n=1; n<50; n++) {
-          x1 = (x1>>1) ^ (x1>>4);
-          x1 = x1 ^ (x1<<31) ^ (x1<<28);
-          x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);
-          x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28);
-            //printf("x1 : %x, x2 : %x\n",x1,x2);
-        }
-
-        for (n=0; n<52; n++) {
-          x1 = (x1>>1) ^ (x1>>4);
-          x1 = x1 ^ (x1<<31) ^ (x1<<28);
-          x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);
-          x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28);
-          ue->nr_gold_pdcch[0][ns][l][n] = x1^x2;
-	  // if (ns==1 && l==0) printf("n=%d : c %x\n",n,x1^x2);
-        }
-      }
+  for (ns=0; ns<ue->frame_parms.slots_per_frame; ns++) {
+
+    for (l=0; l<length_dmrs; l++) {
+
+      reset = 1;
+      x2tmp0 = ((ue->frame_parms.symbols_per_slot*ns+l+1)*((nid<<1)+1))<<17;
+      x2 = (x2tmp0+(nid<<1))%(1<<31);  //cinit
+      
+      for (n=0; n<NR_MAX_PDCCH_DMRS_INIT_LENGTH_DWORD; n++) {
+        ue->nr_gold_pdcch[0][ns][l][n] = lte_gold_generic(&x1, &x2, reset);
+        reset = 0;
+      }    
    }
+  }
 }

 void nr_gold_pdsch(PHY_VARS_NR_UE* ue,
@@ -114,6 +89,7 @@ void nr_gold_pdsch(PHY_VARS_NR_UE* ue,
  unsigned int n,x1,x2,x2tmp0;
  int nscid;
  unsigned int nid;
+  uint8_t reset;

  /// to be updated from higher layer
  //unsigned short lbar = 0;
@@ -126,32 +102,16 @@ void nr_gold_pdsch(PHY_VARS_NR_UE* ue,

    //printf("gold pdsch nid %d lbar %d\n",nid,lbar);

-    for (l=0; l<14; l++) {
-      x2tmp0 = ((14*ns+l+1)*((nid<<1)+1))<<17;
+    for (l=0; l<ue->frame_parms.symbols_per_slot; l++) {
+
+      reset = 1;
+      x2tmp0 = ((ue->frame_parms.symbols_per_slot*ns+l+1)*((nid<<1)+1))<<17;
      x2 = (x2tmp0+(nid<<1)+nscid)%(1<<31);  //cinit
      LOG_D(PHY,"UE DMRS slot %d, symb %d, x2 %x, nscid %d\n",ns,l,x2,nscid);
-      //printf("ns %d gold pdsch x2 %d\n",ns,x2);
-
-      x1 = 1+ (1<<31);
-      x2=x2 ^ ((x2 ^ (x2>>1) ^ (x2>>2) ^ (x2>>3))<<31);
-
-      // skip first 50 double words (1600 bits)
-      for (n=1; n<50; n++) {
-        x1 = (x1>>1) ^ (x1>>4);
-        x1 = x1 ^ (x1<<31) ^ (x1<<28);
-        x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);
-        x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28);
-        //printf("x1 : %x, x2 : %x\n",x1,x2);
-      }

      for (n=0; n<NR_MAX_PDSCH_DMRS_INIT_LENGTH_DWORD; n++) {
-        x1 = (x1>>1) ^ (x1>>4);
-        x1 = x1 ^ (x1<<31) ^ (x1<<28);
-        x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);
-        x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28);
-        ue->nr_gold_pdsch[nscid][ns][l][n] = x1^x2;
-        // if ((ns==2)&&(l==0))
-        //printf("n=%d : c %x\n",n,x1^x2);
+        ue->nr_gold_pdsch[0][ns][l][nscid][n] = lte_gold_generic(&x1, &x2, reset);
+        reset = 0;
      }
    }
  }

--- a/openair1/PHY/NR_TRANSPORT/nr_dci.c
+++ b/openair1/PHY/NR_TRANSPORT/nr_dci.c
@@ -30,6 +30,7 @@
 * \warning
 */

+#include <LAYER2/NR_MAC_gNB/nr_mac_gNB.h>
 #include "nr_dci.h"
 #include "nr_dlsch.h"
 #include "nr_sch_dmrs.h"
@@ -81,17 +82,13 @@ void nr_generate_dci(PHY_VARS_gNB *gNB,
  int rb_offset;
  int n_rb;

+  // compute rb_offset and n_prb based on frequency allocation
  nr_fill_cce_list(gNB,0,pdcch_pdu_rel15);
-
  get_coreset_rballoc(pdcch_pdu_rel15->FreqDomainResource,&n_rb,&rb_offset);
-
-  // compute rb_offset and n_prb based on frequency allocation
-
+  cset_start_sc = frame_parms.first_carrier_offset + rb_offset*NR_NB_SC_PER_RB;
  if (pdcch_pdu_rel15->CoreSetType == NFAPI_NR_CSET_CONFIG_MIB_SIB1) {
-    cset_start_sc = frame_parms.first_carrier_offset + 
-      (frame_parms.ssb_start_subcarrier/NR_NB_SC_PER_RB + rb_offset)*NR_NB_SC_PER_RB;
-  } else
-    cset_start_sc = frame_parms.first_carrier_offset + rb_offset*NR_NB_SC_PER_RB;
+    cset_start_sc = cset_start_sc + RC.nrmac[gNB->Mod_id]->type0_PDCCH_CSS_config.cset_start_rb*NR_NB_SC_PER_RB;
+  }

  for (int d=0;d<pdcch_pdu_rel15->numDlDci;d++) {
    /*The coreset is initialised
@@ -105,8 +102,6 @@ void nr_generate_dci(PHY_VARS_gNB *gNB,
    LOG_D(PHY, "Coreset rb_offset %d, nb_rb %d\n",rb_offset,n_rb);
    LOG_D(PHY, "Coreset starting subcarrier %d on symbol %d (%d symbols)\n", cset_start_sc, cset_start_symb, cset_nsymb);
    // DMRS length is per OFDM symbol
-    AssertFatal(pdcch_pdu_rel15->CceRegMappingType == NFAPI_NR_CCE_REG_MAPPING_NON_INTERLEAVED,
-		"Interleaved CCE REG MAPPING not supported\n");
    uint32_t dmrs_length = (pdcch_pdu_rel15->CceRegMappingType == NFAPI_NR_CCE_REG_MAPPING_NON_INTERLEAVED)?
      (n_rb*6) : (pdcch_pdu_rel15->dci_pdu.AggregationLevel[d]*36/cset_nsymb); //2(QPSK)*3(per RB)*6(REG per CCE)
    uint32_t encoded_length = pdcch_pdu_rel15->dci_pdu.AggregationLevel[d]*108; //2(QPSK)*9(per RB)*6(REG per CCE)
@@ -198,7 +193,7 @@ void nr_generate_dci(PHY_VARS_gNB *gNB,
      
      for (int m=0; m<NR_NB_SC_PER_RB; m++) {
 	if ( m == (k_prime<<2)+1) { // DMRS if not already mapped
-	  if (pdcch_pdu_rel15->CceRegMappingType == NFAPI_NR_CCE_REG_MAPPING_NON_INTERLEAVED) {
+	  //if (pdcch_pdu_rel15->CceRegMappingType == NFAPI_NR_CCE_REG_MAPPING_NON_INTERLEAVED) {
 	    ((int16_t *)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1]       = (amp * mod_dmrs[l][dmrs_idx<<1]) >> 15;
 	    ((int16_t *)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1] = (amp * mod_dmrs[l][(dmrs_idx<<1) + 1]) >> 15;
 #ifdef DEBUG_PDCCH_DMRS
@@ -206,7 +201,7 @@ void nr_generate_dci(PHY_VARS_gNB *gNB,
 		   ((int16_t *)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1)+1]);
 #endif
 	    dmrs_idx++;
-	  }
+	  //}
 	  
 	  k_prime++;
 	} else { // DCI payload
@@ -225,7 +220,10 @@ void nr_generate_dci(PHY_VARS_gNB *gNB,
 	  k -= frame_parms.ofdm_symbol_size;
      } // m
    } // reg_idx
-    
+
+    LOG_I(PHY, "DCI: payloadSize = %d | payload = %llx\n",
+           *pdcch_pdu_rel15->dci_pdu.PayloadSizeBits,*(unsigned long long*)pdcch_pdu_rel15->dci_pdu.Payload);
+
  } // for (int d=0;d<pdcch_pdu_rel15->numDlDci;d++)
 }


--- a/openair1/PHY/NR_TRANSPORT/nr_dlsch.c
+++ b/openair1/PHY/NR_TRANSPORT/nr_dlsch.c
@@ -289,7 +289,7 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB,
    /// Resource mapping
    
    // Non interleaved VRB to PRB mapping
-    uint16_t start_sc = frame_parms->first_carrier_offset + rel15->rbStart*NR_NB_SC_PER_RB;
+    uint16_t start_sc = frame_parms->first_carrier_offset + (rel15->rbStart+rel15->BWPStart)*NR_NB_SC_PER_RB;
    if (start_sc >= frame_parms->ofdm_symbol_size)
      start_sc -= frame_parms->ofdm_symbol_size;
    

--- a/openair1/PHY/NR_TRANSPORT/nr_dlsch.h
+++ b/openair1/PHY/NR_TRANSPORT/nr_dlsch.h
@@ -95,7 +95,7 @@ int nr_dlsch_encoding(PHY_VARS_gNB *gNB,
 		      time_stats_t *dlsch_interleaving_stats,
 		      time_stats_t *dlsch_segmentation_stats);

-
+void init_dlsch_tpool(uint8_t nun_dlsch_threads);
 void nr_emulate_dlsch_payload(uint8_t* payload, uint16_t size);

 void dump_pdsch_stats(PHY_VARS_gNB *gNB);

--- a/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
+++ b/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
@@ -653,6 +653,7 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
                                unsigned char Ns,
                                unsigned short p,
                                unsigned char symbol,
+                                unsigned short BWPStart,
                                unsigned short bwp_start_subcarrier,
                                unsigned short nb_rb_pdsch)
 {
@@ -686,10 +687,10 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
 #endif

  // generate pilot for gNB port number 1000+p
-  uint16_t rb_offset = (bwp_start_subcarrier - ue->frame_parms.first_carrier_offset) / 12;
+  uint16_t rb_offset = (bwp_start_subcarrier - ue->frame_parms.first_carrier_offset) / 12 - BWPStart;
  uint8_t config_type = ue->dmrs_DownlinkConfig.pdsch_dmrs_type;
  int8_t delta = get_delta(p, config_type);
-  nr_pdsch_dmrs_rx(ue,Ns,ue->nr_gold_pdsch[eNB_offset][Ns][symbol], &pilot[0],1000,0,nb_rb_pdsch+rb_offset);
+  nr_pdsch_dmrs_rx(ue,Ns,ue->nr_gold_pdsch[eNB_offset][Ns][symbol][0], &pilot[0],1000,0,nb_rb_pdsch+rb_offset);

  if (config_type == pdsch_dmrs_type1){
    nushift = (p>>1)&1;
@@ -1321,7 +1322,7 @@ void nr_pdsch_ptrs_processing(PHY_VARS_NR_UE *ue,
                               nr_slot_rx,
                               symbol,frame_parms->ofdm_symbol_size,
                               (int16_t*)&pdsch_vars[eNB_id]->rxdataF_comp0[aarx][(symbol * nb_re_pdsch)],
-                               ue->nr_gold_pdsch[eNB_id][nr_slot_rx][symbol],
+                               ue->nr_gold_pdsch[eNB_id][nr_slot_rx][symbol][0],
                               &phase_per_symbol[2* symbol],
                               &ptrs_re_symbol[symbol]);
      }

--- a/openair1/PHY/NR_UE_ESTIMATION/nr_estimation.h
+++ b/openair1/PHY/NR_UE_ESTIMATION/nr_estimation.h
@@ -73,6 +73,7 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
                                unsigned char Ns,
                                unsigned short p,
                                unsigned char symbol,
+                                unsigned short BWPStart,
                                unsigned short bwp_start_subcarrier,
                                unsigned short nb_rb_pdsch);


--- a/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
@@ -36,6 +36,8 @@
  #include <string.h>
 #endif

+#include <LAYER2/NR_MAC_UE/mac_defs.h>
+#include <LAYER2/NR_MAC_UE/mac_proto.h>
 #include "executables/softmodem-common.h"

 #include "nr_transport_proto_ue.h"
@@ -371,7 +373,7 @@ void nr_pdcch_extract_rbs_single(int32_t **rxdataF,

    LOG_DDD("n_BWP_start=%d, coreset_nbr_rb=%d\n",n_BWP_start,coreset_nbr_rb);
    int c_rb_by6;
-    c_rb = n_BWP_start;
+    c_rb = 0;
    for (int rb=0;rb<coreset_nbr_rb;rb++,c_rb++) {
      c_rb_by6 = c_rb/6;
      // skip zeros in frequency domain bitmap
@@ -386,7 +388,7 @@ void nr_pdcch_extract_rbs_single(int32_t **rxdataF,
      // first we set initial conditions for pointer to rxdataF depending on the situation of the first RB within the CORESET (c_rb = n_BWP_start)
      if ((c_rb < (frame_parms->N_RB_DL >> 1)) && ((frame_parms->N_RB_DL & 1) == 0)) {
        //if RB to be treated is lower than middle system bandwidth then rxdataF pointed at (offset + c_br + symbol * ofdm_symbol_size): even case
-        rxF = &rxdataF[aarx][(frame_parms->first_carrier_offset + 12 * c_rb + (symbol * (frame_parms->ofdm_symbol_size)))];
+        rxF = &rxdataF[aarx][(frame_parms->first_carrier_offset + 12 * c_rb + (symbol * (frame_parms->ofdm_symbol_size)))+n_BWP_start*12];
        LOG_DDD("in even case c_rb (%d) is lower than half N_RB_DL -> rxF = &rxdataF[aarx = (%d)][(frame_parms->first_carrier_offset + 12 * c_rb + (symbol * (frame_parms->ofdm_symbol_size))) = (%d)]\n",
               c_rb,aarx,(frame_parms->first_carrier_offset + 12 * c_rb + (symbol * (frame_parms->ofdm_symbol_size))));
      }
@@ -394,7 +396,7 @@ void nr_pdcch_extract_rbs_single(int32_t **rxdataF,
      if ((c_rb >= (frame_parms->N_RB_DL >> 1)) && ((frame_parms->N_RB_DL & 1) == 0)) {
        // number of RBs is even  and c_rb is higher than half system bandwidth (we don't skip DC)
        // if these conditions are true the pointer has to be situated at the 1st part of the rxdataF
-        rxF = &rxdataF[aarx][(12*(c_rb - (frame_parms->N_RB_DL>>1)) + (symbol * (frame_parms->ofdm_symbol_size)))]; // we point at the 1st part of the rxdataF in symbol
+        rxF = &rxdataF[aarx][(12*(c_rb - (frame_parms->N_RB_DL>>1)) + (symbol * (frame_parms->ofdm_symbol_size)))+n_BWP_start*12]; // we point at the 1st part of the rxdataF in symbol
        LOG_DDD("in even case c_rb (%d) is higher than half N_RB_DL (not DC) -> rxF = &rxdataF[aarx = (%d)][(12*(c_rb - (frame_parms->N_RB_DL>>1)) + (symbol * (frame_parms->ofdm_symbol_size))) = (%d)]\n",
               c_rb,aarx,(12*(c_rb - (frame_parms->N_RB_DL>>1)) + (symbol * (frame_parms->ofdm_symbol_size))));
        //rxF = &rxdataF[aarx][(1 + 12*(c_rb - (frame_parms->N_RB_DL>>1)) + (symbol * (frame_parms->ofdm_symbol_size)))]; // we point at the 1st part of the rxdataF in symbol
@@ -406,7 +408,7 @@ void nr_pdcch_extract_rbs_single(int32_t **rxdataF,

      if ((c_rb < (frame_parms->N_RB_DL >> 1)) && ((frame_parms->N_RB_DL & 1) != 0)) {
        //if RB to be treated is lower than middle system bandwidth then rxdataF pointed at (offset + c_br + symbol * ofdm_symbol_size): odd case
-        rxF = &rxdataF[aarx][(frame_parms->first_carrier_offset + 12 * c_rb + (symbol * (frame_parms->ofdm_symbol_size)))];
+        rxF = &rxdataF[aarx][(frame_parms->first_carrier_offset + 12 * c_rb + (symbol * (frame_parms->ofdm_symbol_size)))+n_BWP_start*12];
 #ifdef NR_PDCCH_DCI_DEBUG
        LOG_D(PHY,"in odd case c_rb (%d) is lower or equal than half N_RB_DL -> rxF = &rxdataF[aarx = (%d)][(frame_parms->first_carrier_offset + 12 * c_rb + (symbol * (frame_parms->ofdm_symbol_size))) = (%d)]\n",
               c_rb,aarx,(frame_parms->first_carrier_offset + 12 * c_rb + (symbol * (frame_parms->ofdm_symbol_size))));
@@ -416,7 +418,7 @@ void nr_pdcch_extract_rbs_single(int32_t **rxdataF,
      if ((c_rb > (frame_parms->N_RB_DL >> 1)) && ((frame_parms->N_RB_DL & 1) != 0)) {
        // number of RBs is odd  and   c_rb is higher than half system bandwidth + 1
        // if these conditions are true the pointer has to be situated at the 1st part of the rxdataF just after the first IQ symbols of the RB containing DC
-        rxF = &rxdataF[aarx][(12*(c_rb - (frame_parms->N_RB_DL>>1)) - 6 + (symbol * (frame_parms->ofdm_symbol_size)))]; // we point at the 1st part of the rxdataF in symbol
+        rxF = &rxdataF[aarx][(12*(c_rb - (frame_parms->N_RB_DL>>1)) - 6 + (symbol * (frame_parms->ofdm_symbol_size)))+n_BWP_start*12]; // we point at the 1st part of the rxdataF in symbol
 #ifdef NR_PDCCH_DCI_DEBUG
        LOG_D(PHY,"in odd case c_rb (%d) is higher than half N_RB_DL (not DC) -> rxF = &rxdataF[aarx = (%d)][(12*(c_rb - frame_parms->N_RB_DL) - 5 + (symbol * (frame_parms->ofdm_symbol_size))) = (%d)]\n",
               c_rb,aarx,(12*(c_rb - (frame_parms->N_RB_DL>>1)) - 6 + (symbol * (frame_parms->ofdm_symbol_size))));
@@ -426,7 +428,7 @@ void nr_pdcch_extract_rbs_single(int32_t **rxdataF,
      if ((c_rb == (frame_parms->N_RB_DL >> 1)) && ((frame_parms->N_RB_DL & 1) != 0)) { // treatment of RB containing the DC
        // if odd number RBs in system bandwidth and first RB to be treated is higher than middle system bandwidth (around DC)
        // we have to treat the RB in two parts: first part from i=0 to 5, the data is at the end of rxdataF (pointing at the end of the table)
-        rxF = &rxdataF[aarx][(frame_parms->first_carrier_offset + 12 * c_rb + (symbol * (frame_parms->ofdm_symbol_size)))];
+        rxF = &rxdataF[aarx][(frame_parms->first_carrier_offset + 12 * c_rb + (symbol * (frame_parms->ofdm_symbol_size)))+n_BWP_start*12];
 #ifdef NR_PDCCH_DCI_DEBUG
        LOG_D(PHY,"in odd case c_rb (%d) is half N_RB_DL + 1 we treat DC case -> rxF = &rxdataF[aarx = (%d)][(frame_parms->first_carrier_offset + 12 * c_rb + (symbol * (frame_parms->ofdm_symbol_size))) = (%d)]\n",
               c_rb,aarx,(frame_parms->first_carrier_offset + 12 * c_rb + (symbol * (frame_parms->ofdm_symbol_size))));
@@ -887,7 +889,8 @@ uint8_t nr_dci_decoding_procedure(PHY_VARS_NR_UE *ue,
        n_rnti = rel15->rnti;

        if (crc == n_rnti) {
-          LOG_D(PHY,"Decoded crc %x matches rnti %x for DCI format %d\n", crc, n_rnti, rel15->dci_format_options[k]);
+          LOG_I(PHY, "(%i.%i) Received dci indication (rnti %x,dci format %d,n_CCE %d,payloadSize %d,payload %llx)\n",
+                proc->frame_rx, proc->nr_slot_rx,n_rnti,rel15->dci_format_options[k],CCEind,dci_length,*(unsigned long long*)dci_estimation);
          dci_ind->SFN = proc->frame_rx;
          dci_ind->slot = proc->nr_slot_rx;
          dci_ind->dci_list[dci_ind->number_of_dcis].rnti        = n_rnti;
@@ -898,7 +901,7 @@ uint8_t nr_dci_decoding_procedure(PHY_VARS_NR_UE *ue,
          dci_ind->number_of_dcis++;
          break;    // If DCI is found, no need to check for remaining DCI lengths
        } else {
-          LOG_D(PHY,"Decoded crc %x does not match rnti %x for DCI format %d\n", crc, n_rnti, rel15->dci_format_options[k]);
+          LOG_D(PHY,"(%i.%i) Decoded crc %x does not match rnti %x for DCI format %d\n", proc->frame_rx, proc->nr_slot_rx, crc, n_rnti, rel15->dci_format_options[k]);
        }
      }
    }

--- a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
@@ -404,7 +404,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
 					symbol,
 					pilots,
 					config_type,
-					start_rb,
+					start_rb + dlsch0_harq->BWPStart,
 					nb_rb_pdsch,
 					nr_slot_rx,
 					ue->high_speed_flag,
@@ -422,7 +422,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
  }

  len = (pilots==1)? ((config_type==pdsch_dmrs_type1)?nb_rb*(12-6*dlsch0_harq->n_dmrs_cdm_groups): nb_rb*(12-4*dlsch0_harq->n_dmrs_cdm_groups)):(nb_rb*12);
-  
+
 #if UE_TIMING_TRACE
  stop_meas(&ue->generic_stat_bis[proc->thread_id][slot]);
 #if DISABLE_LOG_X
@@ -1621,6 +1621,8 @@ void nr_dlsch_channel_level(int **dl_ch_estimates_ext,
  int16_t y = (len)>>x;
  //printf("len = %d = %d * 2^(%d)\n",len,y,x);

+  AssertFatal(y!=0,"Cannot divide by zero: in function %s of file %s\n", __func__, __FILE__);
+
  for (aatx=0; aatx<frame_parms->nb_antenna_ports_gNB; aatx++)
    for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
      //clear average level

--- a/openair1/PHY/TOOLS/nr_phy_scope.c
+++ b/openair1/PHY/TOOLS/nr_phy_scope.c
--- a/openair1/PHY/defs_nr_UE.h
+++ b/openair1/PHY/defs_nr_UE.h
@@ -889,7 +889,7 @@ typedef struct {

  UE_MODE_t           UE_mode[NUMBER_OF_CONNECTED_gNB_MAX];
  /// cell-specific reference symbols
-  uint32_t lte_gold_table[7][20][2][14];
+  //uint32_t lte_gold_table[7][20][2][14];

 #if defined(UPGRADE_RAT_NR)

@@ -903,10 +903,10 @@ typedef struct {
  uint32_t nr_gold_pbch[2][64][NR_PBCH_DMRS_LENGTH_DWORD];

  /// PDSCH DMRS
-  uint32_t nr_gold_pdsch[2][20][14][NR_MAX_PDSCH_DMRS_INIT_LENGTH_DWORD];
+  uint32_t ****nr_gold_pdsch[NUMBER_OF_CONNECTED_eNB_MAX];

  /// PDCCH DMRS
-  uint32_t nr_gold_pdcch[7][20][3][52];
+  uint32_t ***nr_gold_pdcch[NUMBER_OF_CONNECTED_eNB_MAX];

  /// PUSCH DMRS sequence
  uint32_t ****nr_gold_pusch_dmrs;

--- a/openair1/PHY/defs_nr_common.h
+++ b/openair1/PHY/defs_nr_common.h
@@ -104,6 +104,7 @@
 #define NR_MAX_PDSCH_ENCODED_LENGTH NR_MAX_NB_RB*NR_SYMBOLS_PER_SLOT*NR_NB_SC_PER_RB*8*NR_MAX_NB_LAYERS // 8 is the maximum modulation order (it was 950984 before !!) 
 #define NR_MAX_PUSCH_ENCODED_LENGTH NR_MAX_PDSCH_ENCODED_LENGTH
 #define NR_MAX_PDSCH_TBS 3824
+#define NR_MAX_SIB_LENGTH 2976 // 3GPP TS 38.331 section 5.2.1 - The physical layer imposes a limit to the maximum size a SIB can take. The maximum SIB1 or SI message size is 2976 bits.

 #define MAX_NUM_NR_DLSCH_SEGMENTS 34
 #define MAX_NR_DLSCH_PAYLOAD_BYTES (MAX_NUM_NR_DLSCH_SEGMENTS*1056)

--- a/openair1/SCHED_NR_UE/defs.h
+++ b/openair1/SCHED_NR_UE/defs.h
@@ -110,15 +110,17 @@ int phy_procedures_RN_UE_RX(unsigned char last_slot, unsigned char next_slot, re
 void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, uint8_t eNB_id);

 /*! \brief Scheduling for UE RX procedures in normal subframes.
-  @param ue       Pointer to UE variables on which to act
-  @param proc     Pointer to proc information
-  @param gNB_id   Local id of eNB on which to act
-  @param mode     calibration/debug mode
+  @param ue             Pointer to UE variables on which to act
+  @param proc           Pointer to proc information
+  @param gNB_id         Local id of eNB on which to act
+  @param mode           calibration/debug mode
+  @param dlsch_parallel use multithreaded dlsch processing
 */
 int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,
                           UE_nr_rxtx_proc_t *proc,
                           uint8_t gNB_id,
-                           runmode_t mode);
+                           runmode_t mode,
+                           uint8_t dlsch_parallel);

 int phy_procedures_slot_parallelization_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t abstraction_flag,uint8_t do_pdcch_flag,runmode_t mode,relaying_type_t r_type);


--- a/openair1/SCHED_NR_UE/fapi_nr_ue_l1.c
+++ b/openair1/SCHED_NR_UE/fapi_nr_ue_l1.c
@@ -84,6 +84,11 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){
            LOG_D(PHY,"FAPI_NR_DL_CONFIG_TYPE_RA_DLSCH\n");
            dlsch0 = PHY_vars_UE_g[module_id][cc_id]->dlsch_ra[0];
          }
+          else if (dl_config->dl_config_list[i].pdu_type == FAPI_NR_DL_CONFIG_TYPE_SI_DLSCH){
+            dlsch0 = PHY_vars_UE_g[module_id][cc_id]->dlsch_SI[0];
+            dlsch0->rnti_type = _SI_RNTI_;
+            dlsch0->harq_processes[dlsch0->current_harq_pid]->status = ACTIVE;
+          }

          fapi_nr_dl_config_dlsch_pdu_rel15_t *dlsch_config_pdu = &dl_config->dl_config_list[i].dlsch_config_pdu.dlsch_config_rel15;
          uint8_t current_harq_pid = dlsch_config_pdu->harq_process_nbr;
@@ -115,6 +120,11 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){
            dlsch0_harq->Nl=1;
            dlsch0_harq->mcs_table=dlsch_config_pdu->mcs_table;
            dlsch0_harq->harq_ack.rx_status = downlink_harq_process(dlsch0_harq, dlsch0->current_harq_pid, dlsch_config_pdu->ndi, dlsch0->rnti_type);
+            if (dlsch0_harq->status != ACTIVE) {
+              // dlsch0_harq->status not ACTIVE may be due to false retransmission. Reset the 
+              // following flag to skip PDSCH procedures in that case.
+              dlsch0->active = 0;
+            }
            dlsch0_harq->harq_ack.vDAI_DL = dlsch_config_pdu->dai;
            /* PTRS */
            dlsch0_harq->PTRSFreqDensity = dlsch_config_pdu->PTRSFreqDensity;

--- a/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
+++ b/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
--- a/openair1/SCHED_NR_UE/pucch_uci_ue_nr.c
+++ b/openair1/SCHED_NR_UE/pucch_uci_ue_nr.c
@@ -447,7 +447,7 @@ bool pucch_procedures_ue_nr(PHY_VARS_NR_UE *ue, uint8_t gNB_id, UE_nr_rxtx_proc_
    return (FALSE);
  }

-  int max_code_rate = 0;
+  //int max_code_rate = 0;
  //int Q_m = BITS_PER_SYMBOL_QPSK; /* default pucch modulation type is QPSK with 2 bits per symbol */
  int N_sc_ctrl_RB = 0;
  int O_CRC = 0;
@@ -504,7 +504,7 @@ bool pucch_procedures_ue_nr(PHY_VARS_NR_UE *ue, uint8_t gNB_id, UE_nr_rxtx_proc_
  if (format !=  pucch_format0_nr) {

    if (mac->ULbwp[bwp_id-1]->bwp_Dedicated->pucch_Config->choice.setup->format1 != NULL) {
-      max_code_rate = code_rate_r_time_100[mac->ULbwp[bwp_id-1]->bwp_Dedicated->pucch_Config->choice.setup->format1->choice.setup->maxCodeRate[0]]; /* it is code rate * 10 */
+      //max_code_rate = code_rate_r_time_100[mac->ULbwp[bwp_id-1]->bwp_Dedicated->pucch_Config->choice.setup->format1->choice.setup->maxCodeRate[0]]; /* it is code rate * 10 */

      if ((O_ACK != 0) && (mac->ULbwp[bwp_id-1]->bwp_Dedicated->pucch_Config->choice.setup->format1->choice.setup->simultaneousHARQ_ACK_CSI[0] == 0)) {
        N_UCI = N_UCI - O_CSI;

--- a/openair1/SIMULATION/NR_PHY/dlsim.c
+++ b/openair1/SIMULATION/NR_PHY/dlsim.c
@@ -172,6 +172,10 @@ int is_x2ap_enabled(void)
  return 0;
 }

+int8_t nr_rrc_ue_decode_NR_SIB1_Message(module_id_t module_id, uint8_t gNB_index, uint8_t *const bufferP, const uint8_t buffer_len) {
+  return 0;
+}
+
 // needed for some functions
 openair0_config_t openair0_cfg[MAX_CARDS];
 void update_ptrs_config(NR_CellGroupConfig_t *secondaryCellGroup, uint16_t *rbSize, uint8_t *mcsIndex,int8_t *ptrs_arg);
@@ -296,7 +300,7 @@ int main(int argc, char **argv)
  uint16_t ptrsSymbPerSlot = 0;
  uint16_t rbSize = 106;
  uint8_t  mcsIndex = 9;
-
+  uint8_t  dlsch_threads = 0;
  if ( load_configmodule(argc,argv,CONFIG_ENABLECMDLINEONLY) == 0) {
    exit_fun("[NR_DLSIM] Error, configuration module init failed\n");
  }
@@ -307,7 +311,7 @@ int main(int argc, char **argv)

  FILE *scg_fd=NULL;
  
-  while ((c = getopt (argc, argv, "f:hA:pf:g:i:j:n:s:S:t:x:y:z:M:N:F:GR:dPIL:Ea:b:e:m:w:T:U:q")) != -1) {
+  while ((c = getopt (argc, argv, "f:hA:pf:g:i:j:n:s:S:t:x:y:z:M:N:F:GR:dPIL:Ea:b:d:e:m:w:T:U:q")) != -1) {
    switch (c) {
    case 'f':
      scg_fd = fopen(optarg,"r");
@@ -474,7 +478,9 @@ int main(int argc, char **argv)
    case 'b':
      g_rbSize = atoi(optarg);
      break;
-
+    case 'd':
+      dlsch_threads = atoi(optarg);
+      break;    
    case 'e':
      g_mcsIndex = atoi(optarg);
      break;
@@ -545,11 +551,12 @@ int main(int argc, char **argv)
      printf("-U Change DMRS Config, arguments list DMRS TYPE{0=A,1=B} DMRS AddPos{0:2}, e.g. -U 2 0 2 \n");
      printf("-P Print DLSCH performances\n");
      printf("-w Write txdata to binary file (one frame)\n");
+      printf("-d number of dlsch threads, 0: no dlsch parallelization\n");
      exit (-1);
      break;
    }
  }
-  
+
  logInit();
  set_glog(loglvl);
  T_stdout = 1;
@@ -560,6 +567,7 @@ int main(int argc, char **argv)
  
  if (snr1set==0)
    snr1 = snr0+10;
+  init_dlsch_tpool(dlsch_threads);


  RC.gNB = (PHY_VARS_gNB**) malloc(sizeof(PHY_VARS_gNB *));
@@ -778,16 +786,16 @@ int main(int argc, char **argv)

  nr_l2_init_ue(NULL);
  UE_mac = get_mac_inst(0);
-  
+
  UE->if_inst = nr_ue_if_module_init(0);
  UE->if_inst->scheduled_response = nr_ue_scheduled_response;
  UE->if_inst->phy_config_request = nr_ue_phy_config_request;
  UE->if_inst->dl_indication = nr_ue_dl_indication;
  UE->if_inst->ul_indication = dummy_nr_ue_ul_indication;
-  
+

  UE_mac->if_module = nr_ue_if_module_init(0);
-  
+
  unsigned int available_bits=0;
  unsigned char *estimated_output_bit;
  unsigned char *test_input_bit;
@@ -845,7 +853,7 @@ int main(int argc, char **argv)
    reset_meas(&gNB->tinput);
    reset_meas(&gNB->tprep);
    reset_meas(&gNB->tparity);
-    reset_meas(&gNB->toutput);  
+    reset_meas(&gNB->toutput);

    clear_pdsch_stats(gNB);

@@ -944,7 +952,7 @@ int main(int argc, char **argv)
        }
        int tx_offset = frame_parms->get_samples_slot_timestamp(slot,frame_parms,0);
        if (n_trials==1) printf("tx_offset %d, txdataF_offset %d \n", tx_offset,txdataF_offset);
-        
+
        //TODO: loop over slots
        for (aa=0; aa<gNB->frame_parms.nb_antennas_tx; aa++) {
    
@@ -1006,19 +1014,20 @@ int main(int argc, char **argv)
            }
          }
        }
-        
+
        nr_ue_dcireq(&dcireq); //to be replaced with function pointer later
        nr_ue_scheduled_response(&scheduled_response);
        
        phy_procedures_nrUE_RX(UE,
                               &UE_proc,
                               0,
-                               normal_txrx);
+                               normal_txrx,
+                               dlsch_threads);
        
        //printf("dlsim round %d ends\n",round);
        round++;
      } // round
-      
+
      //----------------------------------------------------------
      //---------------------- count errors ----------------------
      //----------------------------------------------------------
@@ -1057,7 +1066,7 @@ int main(int argc, char **argv)
 	
      }
      for (i = 0; i < TBS; i++) {
-	
+
 	estimated_output_bit[i] = (UE_harq_process->b[i/8] & (1 << (i & 7))) >> (i & 7);
 	test_input_bit[i]       = (gNB_dlsch->harq_processes[harq_pid]->b[i / 8] & (1 << (i & 7))) >> (i & 7); // Further correct for multiple segments
 	

--- a/openair1/SIMULATION/NR_PHY/prachsim.c
+++ b/openair1/SIMULATION/NR_PHY/prachsim.c
@@ -133,6 +133,10 @@ int is_x2ap_enabled(void)
  return 0;
 }

+int8_t nr_rrc_ue_decode_NR_SIB1_Message(module_id_t module_id, uint8_t gNB_index, uint8_t *const bufferP, const uint8_t buffer_len) {
+  return 0;
+}
+
 int main(int argc, char **argv){

  char c;

--- a/openair1/SIMULATION/NR_PHY/ulsim.c
+++ b/openair1/SIMULATION/NR_PHY/ulsim.c
@@ -152,6 +152,10 @@ int is_x2ap_enabled(void)
  return 0;
 }

+int8_t nr_rrc_ue_decode_NR_SIB1_Message(module_id_t module_id, uint8_t gNB_index, uint8_t *const bufferP, const uint8_t buffer_len) {
+  return 0;
+}
+
 // needed for some functions
 uint16_t n_rnti = 0x1234;
 openair0_config_t openair0_cfg[MAX_CARDS];

--- a/openair2/COMMON/rrc_messages_types.h
+++ b/openair2/COMMON/rrc_messages_types.h
@@ -399,8 +399,8 @@ typedef struct NbIoTRrcConfigurationReq_s {

 // gNB: GNB_APP -> RRC messages
 typedef struct NRRrcConfigurationReq_s {
-  uint32_t                cell_identity;
-  uint16_t                tac;
+  uint64_t                cell_identity;
+  uint32_t                tac;
  uint16_t                mcc[PLMN_LIST_MAX_SIZE];
  uint16_t                mnc[PLMN_LIST_MAX_SIZE];
  uint8_t                 mnc_digit_length[PLMN_LIST_MAX_SIZE];

--- a/openair2/GNB_APP/RRC_nr_paramsvalues.h
+++ b/openair2/GNB_APP/RRC_nr_paramsvalues.h
@@ -39,6 +39,7 @@
 /*    cell configuration section name */
 #define GNB_CONFIG_STRING_GNB_LIST                              "gNBs"

+#define GNB_CONFIG_STRING_PDCCH_CONFIGSIB1                      "pdcch_ConfigSIB1"
 #define GNB_CONFIG_STRING_SERVINGCELLCONFIGCOMMON               "servingCellConfigCommon"
 #define GNB_CONFIG_STRING_PHYSCELLID                            "physCellId"
 #define GNB_CONFIG_STRING_NTIMINGADVANCEOFFSET                  "n_TimingAdvanceOffset"
@@ -210,6 +211,21 @@

 #define CARRIERBANDWIDTH_OKVALUES {11,18,24,25,31,32,38,51,52,65,66,78,79,93,106,107,121,132,133,135,160,162,189,216,217,245,264,270,273}

+/*--------------------------------------------------------------------------------------------------------------------*/
+/*                                            pdcch_ConfigSIB1 parameters                                             */
+/*--------------------------------------------------------------------------------------------------------------------*/
+#define CONTROL_RESOURCE_SET_ZERO                   "controlResourceSetZero"
+#define SEARCH_SPACE_ZERO                           "searchSpaceZero"
+
+#define PDCCH_CONFIGSIB1PARAMS_DESC(pdcch_ConfigSIB1) {                                                                                       \
+{CONTROL_RESOURCE_SET_ZERO,        NULL,     0,         i64ptr:&pdcch_ConfigSIB1->controlResourceSetZero,      defintval:0,     TYPE_INT64,        0},   \
+{SEARCH_SPACE_ZERO,                NULL,     0,         i64ptr:&pdcch_ConfigSIB1->searchSpaceZero,      defintval:0,     TYPE_INT64,        0}    \
+}
+
+#define CONTROL_RESOURCE_SET_ZERO_IDX                   0
+#define SEARCH_SPACE_ZERO_IDX                           1
+/*--------------------------------------------------------------------------------------------------------------------*/
+
 /*-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
 /*                                     Serving Cell Config Common configuration parameters                                                                                                     */
 /*   optname                                                   helpstr   paramflags    XXXptr                                        defXXXval                    type         numelt  */

--- a/openair2/GNB_APP/gnb_config.c
+++ b/openair2/GNB_APP/gnb_config.c
@@ -574,6 +574,17 @@ void RCconfig_NRRRC(MessageDef *msg_p, uint32_t i, gNB_RRC_INST *rrc) {
      gnb_id = *(GNBParamList.paramarray[i][GNB_GNB_ID_IDX].uptr);
    }

+    // pdcch_ConfigSIB1
+    rrc->carrier.pdcch_ConfigSIB1 = calloc(1,sizeof(NR_PDCCH_ConfigSIB1_t));
+    paramdef_t pdcch_ConfigSIB1[] = PDCCH_CONFIGSIB1PARAMS_DESC(rrc->carrier.pdcch_ConfigSIB1);
+    paramlist_def_t pdcch_ConfigSIB1ParamList = {GNB_CONFIG_STRING_PDCCH_CONFIGSIB1, NULL, 0};
+    sprintf(aprefix, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, 0);
+    config_getlist(&pdcch_ConfigSIB1ParamList, NULL, 0, aprefix);
+    if (pdcch_ConfigSIB1ParamList.numelt > 0) {
+        sprintf(aprefix, "%s.[%i].%s.[%i]", GNB_CONFIG_STRING_GNB_LIST,0,GNB_CONFIG_STRING_PDCCH_CONFIGSIB1, 0);
+        config_get(pdcch_ConfigSIB1,sizeof(pdcch_ConfigSIB1)/sizeof(paramdef_t),aprefix);
+    }
+
    sprintf(aprefix, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, 0);

    config_getlist(&SCCsParamList, NULL, 0, aprefix);
@@ -1009,7 +1020,7 @@ void NRRCConfig(void) {
  paramdef_t GNBSParams[]         = GNBSPARAMS_DESC;
  
 /* get global parameters, defined outside any section in the config file */
- 
+
  LOG_I(GNB_APP, "Getting GNBSParams\n");
 
  config_get( GNBSParams,sizeof(GNBSParams)/sizeof(paramdef_t),NULL); 

--- a/openair2/GNB_APP/gnb_paramdef.h
+++ b/openair2/GNB_APP/gnb_paramdef.h
@@ -78,7 +78,6 @@ typedef enum {
 #define GNB_CONFIG_STRING_ASN1_VERBOSITY_NONE              "none"
 #define GNB_CONFIG_STRING_ASN1_VERBOSITY_ANNOYING          "annoying"
 #define GNB_CONFIG_STRING_ASN1_VERBOSITY_INFO              "info"
- 

 /* global parameters, not under a specific section   */
 #define GNB_CONFIG_STRING_ASN1_VERBOSITY                   "Asn1_verbosity"

--- a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
+++ b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
--- a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
+++ b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
@@ -32,9 +32,24 @@
 #ifndef __LAYER2_NR_MAC_COMMON_H__
 #define __LAYER2_NR_MAC_COMMON_H__

+#include "NR_MIB.h"
 #include "NR_PDSCH-Config.h"
 #include "NR_CellGroupConfig.h"
 #include "nr_mac.h"
+#include "openair1/PHY/impl_defs_nr.h"
+
+#define TABLE_38213_13_1_NUM_INDEXES 15
+#define TABLE_38213_13_2_NUM_INDEXES 14
+#define TABLE_38213_13_3_NUM_INDEXES 9
+#define TABLE_38213_13_4_NUM_INDEXES 16
+#define TABLE_38213_13_5_NUM_INDEXES 9
+#define TABLE_38213_13_6_NUM_INDEXES 10
+#define TABLE_38213_13_7_NUM_INDEXES 12
+#define TABLE_38213_13_8_NUM_INDEXES 8
+#define TABLE_38213_13_9_NUM_INDEXES 4
+#define TABLE_38213_13_10_NUM_INDEXES 8
+#define TABLE_38213_13_11_NUM_INDEXES 16
+#define TABLE_38213_13_12_NUM_INDEXES 14


 // ===============================================
@@ -45,8 +60,8 @@
 #define MAX_FDM (8) // Maximum nb of PRACH occasions FDMed in a slot

 typedef enum frequency_range_e {
-    FR1 = 0, 
-    FR2
+  FR1 = 0,
+  FR2
 } frequency_range_t;

 // PRACH occasion details
@@ -99,6 +114,52 @@ typedef enum {
  NR_RNTI_MCS_C,
 } nr_rnti_type_t;

+typedef enum subcarrier_spacing_e {
+  scs_15kHz  = 0x1,
+  scs_30kHz  = 0x2,
+  scs_60kHz  = 0x4,
+  scs_120kHz = 0x8,
+  scs_240kHz = 0x16
+} subcarrier_spacing_t;
+
+typedef enum channel_bandwidth_e {
+  bw_5MHz   = 0x1,
+  bw_10MHz  = 0x2,
+  bw_20MHz  = 0x4,
+  bw_40MHz  = 0x8,
+  bw_80MHz  = 0x16,
+  bw_100MHz = 0x32
+} channel_bandwidth_t;
+
+typedef enum nr_ssb_and_cset_mux_pattern_type_e {
+  NR_SSB_AND_CSET_MUX_PATTERN_TYPE1=1,
+  NR_SSB_AND_CSET_MUX_PATTERN_TYPE2,
+  NR_SSB_AND_CSET_MUX_PATTERN_TYPE3
+} nr_ssb_and_cset_mux_pattern_type_t;
+
+typedef enum {
+  SFN_C_MOD_2_EQ_0,
+  SFN_C_MOD_2_EQ_1,
+  SFN_C_IMPOSSIBLE
+} SFN_C_TYPE;
+
+typedef struct Type0_PDCCH_CSS_config_s {
+  int32_t num_rbs;
+  int32_t num_symbols;
+  int32_t rb_offset; // Offset from SSB RB0
+  uint32_t type0_pdcch_ss_mux_pattern;
+  uint16_t frame;
+  SFN_C_TYPE sfn_c;
+  uint32_t n_c;
+  uint32_t n_0;
+  uint32_t number_of_search_space_per_slot;
+  uint32_t first_symbol_index;
+  uint32_t search_space_duration;
+  uint32_t ssb_length;
+  uint32_t ssb_index;
+  uint32_t cset_start_rb;
+} NR_Type0_PDCCH_CSS_config_t;
+
 uint16_t config_bandwidth(int mu, int nb_rb, int nr_band);

 void get_frame_type(uint16_t nr_bandP, uint8_t scs_index, lte_frame_type_t *current_type);
@@ -123,6 +184,10 @@ uint16_t nr_dci_size(NR_ServingCellConfigCommon_t *scc,
 		     uint16_t N_RB,
                     int bwp_id);

+void find_aggregation_candidates(uint8_t *aggregation_level,
+                                 uint8_t *nr_of_candidates,
+                                 NR_SearchSpace_t *ss);
+
 void find_monitoring_periodicity_offset_common(NR_SearchSpace_t *ss,
                                               uint16_t *slot_period,
                                               uint16_t *offset);
@@ -184,6 +249,13 @@ int32_t get_l_prime(uint8_t duration_in_symbols, uint8_t mapping_type, pusch_dmr
 uint8_t get_L_ptrs(uint8_t mcs1, uint8_t mcs2, uint8_t mcs3, uint8_t I_mcs, uint8_t mcs_table);
 uint8_t get_K_ptrs(uint16_t nrb0, uint16_t nrb1, uint16_t N_RB);

+int get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config,
+                                          NR_MIB_t *mib,
+                                          uint8_t extra_bits,
+                                          uint32_t ssb_length,
+                                          uint32_t ssb_index,
+                                          uint32_t ssb_offset_point_a);
+
 int16_t get_N_RA_RB (int delta_f_RA_PRACH,int delta_f_PUSCH);

 bool set_dl_ptrs_values(NR_PTRS_DownlinkConfig_t *ptrs_config,

--- a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_extern.h
+++ b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_extern.h
@@ -77,5 +77,66 @@ extern boolean_t pre_scd_activeUE[NUMBER_OF_UE_MAX];
 extern eNB_UE_STATS pre_scd_eNB_UE_stats[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
 #endif*/

+//	Type0-PDCCH search space
+extern const int32_t table_38213_13_1_c1[16];
+extern const int32_t table_38213_13_1_c2[16];
+extern const int32_t table_38213_13_1_c3[16];
+extern const int32_t table_38213_13_1_c4[16];
+
+extern const int32_t table_38213_13_2_c1[16];
+extern const int32_t table_38213_13_2_c2[16];
+extern const int32_t table_38213_13_2_c3[16];
+extern const int32_t table_38213_13_2_c4[16];
+
+extern const int32_t table_38213_13_3_c1[16];
+extern const int32_t table_38213_13_3_c2[16];
+extern const int32_t table_38213_13_3_c3[16];
+extern const int32_t table_38213_13_3_c4[16];
+
+extern const int32_t table_38213_13_4_c1[16];
+extern const int32_t table_38213_13_4_c2[16];
+extern const int32_t table_38213_13_4_c3[16];
+extern const int32_t table_38213_13_4_c4[16];
+
+extern const int32_t table_38213_13_5_c1[16];
+extern const int32_t table_38213_13_5_c2[16];
+extern const int32_t table_38213_13_5_c3[16];
+extern const int32_t table_38213_13_5_c4[16];
+
+extern const int32_t table_38213_13_6_c1[16];
+extern const int32_t table_38213_13_6_c2[16];
+extern const int32_t table_38213_13_6_c3[16];
+extern const int32_t table_38213_13_6_c4[16];
+
+extern const int32_t table_38213_13_7_c1[16];
+extern const int32_t table_38213_13_7_c2[16];
+extern const int32_t table_38213_13_7_c3[16];
+extern const int32_t table_38213_13_7_c4[16];
+
+extern const int32_t table_38213_13_8_c1[16];
+extern const int32_t table_38213_13_8_c2[16];
+extern const int32_t table_38213_13_8_c3[16];
+extern const int32_t table_38213_13_8_c4[16];
+
+extern const int32_t table_38213_13_9_c1[16];
+extern const int32_t table_38213_13_9_c2[16];
+extern const int32_t table_38213_13_9_c3[16];
+extern const int32_t table_38213_13_9_c4[16];
+
+extern const int32_t table_38213_13_10_c1[16];
+extern const int32_t table_38213_13_10_c2[16];
+extern const int32_t table_38213_13_10_c3[16];
+extern const int32_t table_38213_13_10_c4[16];
+
+extern const float   table_38213_13_11_c1[16];
+extern const int32_t table_38213_13_11_c2[16];
+extern const float   table_38213_13_11_c3[16];
+extern const int32_t table_38213_13_11_c4[16];
+
+extern const float   table_38213_13_12_c1[16];
+extern const int32_t table_38213_13_12_c2[16];
+extern const float   table_38213_13_12_c3[16];
+
+extern const int32_t table_38213_10_1_1_c2[5];

 #endif //DEF_H
--- a/openair2/LAYER2/NR_MAC_UE/config_ue.c
+++ b/openair2/LAYER2/NR_MAC_UE/config_ue.c
@@ -390,13 +390,71 @@ void config_control_ue(NR_UE_MAC_INST_t *mac){
    NR_SearchSpace_t *css = commonSearchSpaceList->list.array[css_id];
    AssertFatal(css->controlResourceSetId != NULL, "ss->controlResourceSetId is null\n");
    AssertFatal(*css->controlResourceSetId == mac->coreset[bwp_id - 1][coreset_id - 1]->controlResourceSetId, "ss->controlResourceSetId is unknown\n");
-    AssertFatal(css->searchSpaceId != 0, "css->searchSpaceId is 0\n");
    AssertFatal(css->searchSpaceType != NULL, "css->searchSpaceType is null\n");
    AssertFatal(css->monitoringSymbolsWithinSlot != NULL, "css->monitoringSymbolsWithinSlot is null\n");
    AssertFatal(css->monitoringSymbolsWithinSlot->buf != NULL, "css->monitoringSymbolsWithinSlot->buf is null\n");
    mac->SSpace[0][0][ss_id] = css;
    ss_id++;
  }
+
+  // TODO: Merge this code in a single function as fill_default_searchSpaceZero() in rrc_gNB_reconfig.c
+  // Search space zero
+  if(mac->search_space_zero == NULL) mac->search_space_zero=calloc(1,sizeof(*mac->search_space_zero));
+  if(mac->search_space_zero->controlResourceSetId == NULL) mac->search_space_zero->controlResourceSetId=calloc(1,sizeof(*mac->search_space_zero->controlResourceSetId));
+  if(mac->search_space_zero->monitoringSymbolsWithinSlot == NULL) mac->search_space_zero->monitoringSymbolsWithinSlot = calloc(1,sizeof(*mac->search_space_zero->monitoringSymbolsWithinSlot));
+  if(mac->search_space_zero->monitoringSymbolsWithinSlot->buf == NULL) mac->search_space_zero->monitoringSymbolsWithinSlot->buf = calloc(1,2);
+  if(mac->search_space_zero->nrofCandidates == NULL) mac->search_space_zero->nrofCandidates = calloc(1,sizeof(*mac->search_space_zero->nrofCandidates));
+  if(mac->search_space_zero->searchSpaceType == NULL) mac->search_space_zero->searchSpaceType = calloc(1,sizeof(*mac->search_space_zero->searchSpaceType));
+  if(mac->search_space_zero->searchSpaceType->choice.common == NULL) mac->search_space_zero->searchSpaceType->choice.common=calloc(1,sizeof(*mac->search_space_zero->searchSpaceType->choice.common));
+  if(mac->search_space_zero->searchSpaceType->choice.common->dci_Format0_0_AndFormat1_0 == NULL) mac->search_space_zero->searchSpaceType->choice.common->dci_Format0_0_AndFormat1_0 = calloc(1,sizeof(*mac->search_space_zero->searchSpaceType->choice.common->dci_Format0_0_AndFormat1_0));
+  mac->search_space_zero->searchSpaceId = 0;
+  *mac->search_space_zero->controlResourceSetId = 0;
+  mac->search_space_zero->monitoringSlotPeriodicityAndOffset = calloc(1,sizeof(*mac->search_space_zero->monitoringSlotPeriodicityAndOffset));
+  mac->search_space_zero->monitoringSlotPeriodicityAndOffset->present = NR_SearchSpace__monitoringSlotPeriodicityAndOffset_PR_sl1;
+  mac->search_space_zero->duration=NULL;
+  // should be '1100 0000 0000 00'B (LSB first!), first two symbols in slot, adjust if needed
+  mac->search_space_zero->monitoringSymbolsWithinSlot->buf[1] = 0;
+  mac->search_space_zero->monitoringSymbolsWithinSlot->buf[0] = (1<<7) | (1<<6);
+  mac->search_space_zero->monitoringSymbolsWithinSlot->size = 2;
+  mac->search_space_zero->monitoringSymbolsWithinSlot->bits_unused = 2;
+
+  // FIXME: update values from TS38.213 Section 10.1 Table 10.1-1: CCE aggregation levels and maximum number of PDCCH candidates per CCE aggregation level for CSS sets configured by searchSpaceSIB1
+  mac->search_space_zero->nrofCandidates->aggregationLevel1 = NR_SearchSpace__nrofCandidates__aggregationLevel1_n0;
+  mac->search_space_zero->nrofCandidates->aggregationLevel2 = NR_SearchSpace__nrofCandidates__aggregationLevel2_n0;
+  mac->search_space_zero->nrofCandidates->aggregationLevel4 = NR_SearchSpace__nrofCandidates__aggregationLevel4_n0;
+  mac->search_space_zero->nrofCandidates->aggregationLevel8 = NR_SearchSpace__nrofCandidates__aggregationLevel8_n1;
+  mac->search_space_zero->nrofCandidates->aggregationLevel16 = NR_SearchSpace__nrofCandidates__aggregationLevel16_n0;
+  mac->search_space_zero->searchSpaceType->present = NR_SearchSpace__searchSpaceType_PR_common;
+
+  // Coreset0
+  if(mac->coreset0 == NULL) mac->coreset0 = calloc(1,sizeof(*mac->coreset0));
+  mac->coreset0->controlResourceSetId = 0;
+  // frequencyDomainResources '11111111 00000000 00000000 00000000 00000000 00000'B,
+  if(mac->coreset0->frequencyDomainResources.buf == NULL) mac->coreset0->frequencyDomainResources.buf = calloc(1,6);
+  mac->coreset0->frequencyDomainResources.buf[0] = 0xff;
+  mac->coreset0->frequencyDomainResources.buf[1] = 0;
+  mac->coreset0->frequencyDomainResources.buf[2] = 0;
+  mac->coreset0->frequencyDomainResources.buf[3] = 0;
+  mac->coreset0->frequencyDomainResources.buf[4] = 0;
+  mac->coreset0->frequencyDomainResources.buf[5] = 0;
+  mac->coreset0->frequencyDomainResources.size = 6;
+  mac->coreset0->frequencyDomainResources.bits_unused = 3;
+  mac->coreset0->duration = 1;
+  mac->coreset0->cce_REG_MappingType.choice.interleaved=calloc(1,sizeof(*mac->coreset0->cce_REG_MappingType.choice.interleaved));
+  mac->coreset0->cce_REG_MappingType.choice.interleaved->interleaverSize = NR_ControlResourceSet__cce_REG_MappingType__interleaved__interleaverSize_n2;
+  mac->coreset0->cce_REG_MappingType.choice.interleaved->shiftIndex = NULL;
+  mac->coreset0->precoderGranularity = NR_ControlResourceSet__precoderGranularity_sameAsREG_bundle;
+  if(mac->coreset0->tci_StatesPDCCH_ToAddList == NULL) mac->coreset0->tci_StatesPDCCH_ToAddList = calloc(1,sizeof(*mac->coreset0->tci_StatesPDCCH_ToAddList));
+  NR_TCI_StateId_t *tci[8];
+  for (int i=0;i<8;i++) {
+    tci[i]=calloc(1,sizeof(*tci[i]));
+    *tci[i] = i;
+    ASN_SEQUENCE_ADD(&mac->coreset0->tci_StatesPDCCH_ToAddList->list,tci[i]);
+  }
+  mac->coreset0->tci_StatesPDCCH_ToReleaseList = NULL;
+  mac->coreset0->tci_PresentInDCI = NULL;
+  mac->coreset0->pdcch_DMRS_ScramblingID = NULL;
+
 }

 int nr_rrc_mac_config_req_ue(
@@ -421,6 +479,8 @@ int nr_rrc_mac_config_req_ue(
      mac->scg = cell_group_config;
      mac->servCellIndex = *cell_group_config->spCellConfig->servCellIndex;
      config_control_ue(mac);
+      mac->msg3_frame = -1; // initialize to an invalid value
+      mac->msg3_slot = -1;
      if (cell_group_config->spCellConfig->reconfigurationWithSync) {
        mac->rach_ConfigDedicated = cell_group_config->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink;
 	mac->scc = cell_group_config->spCellConfig->reconfigurationWithSync->spCellConfigCommon;

--- a/openair2/LAYER2/NR_MAC_UE/mac_defs.h
+++ b/openair2/LAYER2/NR_MAC_UE/mac_defs.h
@@ -76,13 +76,6 @@
 /*!\brief value for indicating BSR Timer is not running */
 #define NR_MAC_UE_BSR_TIMER_NOT_RUNNING   (0xFFFF)

-
-typedef enum {
-    SFN_C_MOD_2_EQ_0, 
-    SFN_C_MOD_2_EQ_1,
-    SFN_C_IMPOSSIBLE
-} SFN_C_TYPE;
-
 // LTE structure, might need to be adapted for NR
 typedef struct {
  /// buffer status for each lcgid
@@ -227,9 +220,9 @@ typedef struct {
  /// Random-access variable for window calculation (subframe of last change in window counter)
  uint8_t RA_tx_subframe;
  /// Scheduled TX frame for RA Msg3
-  frame_t msg3_frame;
+  int16_t msg3_frame;
  /// Scheduled TX slot for RA Msg3
-  slot_t msg3_slot;
+  int16_t msg3_slot;
  /// Random-access variable for backoff (frame of last change in backoff counter)
  uint32_t RA_backoff_frame;
  /// Random-access variable for backoff (subframe of last change in backoff counter)
@@ -250,6 +243,8 @@ typedef struct {
  uint8_t RA_BI_found;
  /// Flag for the Msg1 generation: enabled at every occurrence of nr prach slot
  uint8_t generate_nr_prach;
+  /// SSB index from MIB decoding
+  uint8_t mib_ssb;

  ////	FAPI-like interface message
  fapi_nr_ul_config_request_t *ul_config_request;
@@ -265,6 +260,11 @@ typedef struct {

  /// PHR
  uint8_t PHR_reporting_active;
+
+  NR_Type0_PDCCH_CSS_config_t type0_PDCCH_CSS_config;
+  NR_SearchSpace_t *search_space_zero;
+  NR_ControlResourceSet_t *coreset0;
+
 } NR_UE_MAC_INST_t;

 typedef enum seach_space_mask_e {
@@ -275,24 +275,6 @@ typedef enum seach_space_mask_e {
    type3_pdcch  = 0x10
 } search_space_mask_t;

-typedef enum subcarrier_spacing_e {
-    scs_15kHz  = 0x1,
-    scs_30kHz  = 0x2,
-    scs_60kHz  = 0x4,
-    scs_120kHz = 0x8,
-    scs_240kHz = 0x16
-} subcarrier_spacing_t;
-
-typedef enum channel_bandwidth_e {
-    bw_5MHz   = 0x1,
-    bw_10MHz  = 0x2,
-    bw_20MHz  = 0x4,
-    bw_40MHz  = 0x8,
-    bw_80MHz  = 0x16,
-    bw_100MHz = 0x32
-} channel_bandwidth_t;
-
-
 typedef struct {
  uint8_t identifier_dci_formats          ; // 0  IDENTIFIER_DCI_FORMATS:
  uint8_t carrier_ind                     ; // 1  CARRIER_IND: 0 or 3 bits, as defined in Subclause x.x of [5, TS38.213]

--- a/openair2/LAYER2/NR_MAC_UE/mac_extern.h
+++ b/openair2/LAYER2/NR_MAC_UE/mac_extern.h
@@ -34,58 +34,6 @@

 //extern NR_UE_MAC_INST_t *UE_mac_inst;

-//	Type0-PDCCH search space
-extern const int32_t table_38213_13_1_c2[16];
-extern const int32_t table_38213_13_1_c3[16];
-extern const int32_t table_38213_13_1_c4[16];
-
-extern const int32_t table_38213_13_2_c2[16];
-extern const int32_t table_38213_13_2_c3[16];
-extern const int32_t table_38213_13_2_c4[16];
-
-extern const int32_t table_38213_13_3_c2[16];
-extern const int32_t table_38213_13_3_c3[16];
-extern const int32_t table_38213_13_3_c4[16];
-
-extern const int32_t table_38213_13_4_c2[16];
-extern const int32_t table_38213_13_4_c3[16];
-extern const int32_t table_38213_13_4_c4[16];
-
-extern const int32_t table_38213_13_5_c2[16];
-extern const int32_t table_38213_13_5_c3[16];
-extern const int32_t table_38213_13_5_c4[16];
-
-extern const int32_t table_38213_13_6_c2[16];
-extern const int32_t table_38213_13_6_c3[16];
-extern const int32_t table_38213_13_6_c4[16];
-
-extern const int32_t table_38213_13_7_c2[16];
-extern const int32_t table_38213_13_7_c3[16];
-extern const int32_t table_38213_13_7_c4[16];
-
-extern const int32_t table_38213_13_8_c2[16];
-extern const int32_t table_38213_13_8_c3[16];
-extern const int32_t table_38213_13_8_c4[16];
-
-extern const int32_t table_38213_13_9_c2[16];
-extern const int32_t table_38213_13_9_c3[16];
-extern const int32_t table_38213_13_9_c4[16];
-
-extern const int32_t table_38213_13_10_c2[16];
-extern const int32_t table_38213_13_10_c3[16];
-extern const int32_t table_38213_13_10_c4[16];
-
-extern const float   table_38213_13_11_c1[16];
-extern const int32_t table_38213_13_11_c2[16];
-extern const float   table_38213_13_11_c3[16];
-extern const int32_t table_38213_13_11_c4[16];
-
-extern const float   table_38213_13_12_c1[16];
-extern const int32_t table_38213_13_12_c2[16];
-extern const float   table_38213_13_12_c3[16];
-
-extern const int32_t table_38213_10_1_1_c2[5];
-
 //  DCI extraction
 //  for PUSCH from TS 38.214 subclause 6.1.2.1.1
 extern uint8_t table_6_1_2_1_1_2_time_dom_res_alloc_A[16][3];

--- a/openair2/LAYER2/NR_MAC_UE/mac_proto.h
+++ b/openair2/LAYER2/NR_MAC_UE/mac_proto.h
@@ -58,6 +58,19 @@ int8_t nr_ue_decode_mib(
    void *pduP, 
    uint16_t cell_id );

+/**\brief decode sib1 pdu in NR_UE, from if_module dl_ind
+   \param module_id      module id
+   \param cc_id          component carrier id
+   \param gNB_index      gNB index
+   \param sibs_mask      sibs mask
+   \param pduP           pointer to pdu
+   \param pdu_length     length of pdu */
+int8_t nr_ue_decode_sib1(module_id_t module_id,
+                         int cc_id,
+                         unsigned int gNB_index,
+                         uint32_t sibs_mask,
+                         uint8_t *pduP,
+                         uint32_t pdu_len);

 /**\brief primitive from RRC layer to MAC layer for configuration L1/L2, now supported 4 rrc messages: MIB, cell_group_config for MAC/PHY, spcell_config(serving cell config)
   \param module_id                 module id
@@ -125,8 +138,6 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
 int nr_ue_process_dci_indication_pdu(module_id_t module_id, int cc_id, int gNB_index, frame_t frame, int slot, fapi_nr_dci_indication_pdu_t *dci);

 uint32_t get_ssb_frame(uint32_t test);
-uint32_t get_ssb_slot(uint32_t ssb_index);
-

 uint32_t mr_ue_get_SR(module_id_t module_idP, int CC_id, frame_t frameP, uint8_t eNB_id, uint16_t rnti, sub_frame_t subframe);


--- a/openair2/LAYER2/NR_MAC_UE/mac_vars.c
+++ b/openair2/LAYER2/NR_MAC_UE/mac_vars.c
@@ -32,64 +32,6 @@

 #include "mac_defs.h"

-#define reserved 0xffff
-
-//	specification mapping talbe, table_38$x_$y_$z_c$a
-//	- $x: specification
-//	- $y: subclause-major
-//	- $z: subclause-minor
-//	- $a: ($a)th of column in table, start from zero
-const int32_t table_38213_13_1_c2[16] = {24, 24, 24, 24, 24, 24, 48, 48, 48, 48, 48, 48, 96, 96, 96, reserved}; // index 15 reserved
-const int32_t table_38213_13_1_c3[16] = { 2,  2,  2,  3,  3,  3,  1,  1,  2,  2,  3,  3,  1,  2,  3, reserved}; // index 15 reserved
-const int32_t table_38213_13_1_c4[16] = { 0,  2,  4,  0,  2,  4, 12, 16, 12, 16, 12, 16, 38, 38, 38, reserved}; // index 15 reserved
-
-const int32_t table_38213_13_2_c2[16] = {24, 24, 24, 24, 24, 24, 24, 24, 48, 48, 48, 48, 48, 48, reserved, reserved}; // index 14-15 reserved
-const int32_t table_38213_13_2_c3[16] = { 2,  2,  2,  2,  3,  3,  3,  3,  1,  1,  2,  2,  3,  3, reserved, reserved}; // index 14-15 reserved
-const int32_t table_38213_13_2_c4[16] = { 5,  6,  7,  8,  5,  6,  7,  8, 18, 20, 18, 20, 18, 20, reserved, reserved}; // index 14-15 reserved
-
-const int32_t table_38213_13_3_c2[16] = {48, 48, 48, 48, 48, 48, 96, 96, 96, reserved, reserved, reserved, reserved, reserved, reserved, reserved}; // index 09-15 reserved
-const int32_t table_38213_13_3_c3[16] = { 1,  1,  2,  2,  3,  3,  1,  2,  3, reserved, reserved, reserved, reserved, reserved, reserved, reserved}; // index 09-15 reserved
-const int32_t table_38213_13_3_c4[16] = { 2,  6,  2,  6,  2,  6, 28, 28, 28, reserved, reserved, reserved, reserved, reserved, reserved, reserved}; // index 09-15 reserved
-
-const int32_t table_38213_13_4_c2[16] = {24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 48, 48, 48, 48, 48, 48};
-const int32_t table_38213_13_4_c3[16] = { 2,  2,  2,  2,  2,  3,  3,  3,  3,  3,  1,  1,  1,  2,  2,  2};
-const int32_t table_38213_13_4_c4[16] = { 0,  1,  2,  3,  4,  0,  1,  2,  3,  4, 12, 14, 16, 12, 14, 16};
-
-const int32_t table_38213_13_5_c2[16] = {48, 48, 48, 96, 96, 96, 96, 96, 96, reserved, reserved, reserved, reserved, reserved, reserved, reserved}; // index 09-15 reserved
-const int32_t table_38213_13_5_c3[16] = { 1,  2,  3,  1,  1,  2,  2,  3,  3, reserved, reserved, reserved, reserved, reserved, reserved, reserved}; // index 09-15 reserved
-const int32_t table_38213_13_5_c4[16] = { 4,  4,  4,  0, 56,  0, 56,  0, 56, reserved, reserved, reserved, reserved, reserved, reserved, reserved}; // index 09-15 reserved
-
-const int32_t table_38213_13_6_c2[16] = {24, 24, 24, 24, 48, 48, 48, 48, 48, 48, reserved, reserved, reserved, reserved, reserved, reserved}; // index 10-15 reserved
-const int32_t table_38213_13_6_c3[16] = { 2,  2,  3,  3,  1,  1,  2,  2,  3,  3, reserved, reserved, reserved, reserved, reserved, reserved}; // index 10-15 reserved
-const int32_t table_38213_13_6_c4[16] = { 0,  4,  0,  4,  0, 28,  0, 28,  0, 28, reserved, reserved, reserved, reserved, reserved, reserved}; // index 10-15 reserved
-
-const int32_t table_38213_13_7_c2[16] = {48, 48, 48, 48, 48, 48, 96, 96, 48, 48, 96, 96, reserved, reserved, reserved, reserved}; // index 12-15 reserved
-const int32_t table_38213_13_7_c3[16] = { 1,  1,  2,  2,  3,  3,  1,  2,  1,  1,  1,  1, reserved, reserved, reserved, reserved}; // index 12-15 reserved
-const int32_t table_38213_13_7_c4[16] = { 0,  8,  0,  8,  0,  8, 28, 28,-41, 49,-41, 97, reserved, reserved, reserved, reserved}; // index 12-15 reserved, condition A as default
-
-const int32_t table_38213_13_8_c2[16] = { 1,  1,  1,  1,  3,  3,  3,  3, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved}; // index 15 reserved
-const int32_t table_38213_13_8_c3[16] = {24, 24, 48, 48, 24, 24, 48, 48, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved}; // index 15 reserved
-const int32_t table_38213_13_8_c4[16] = { 0,  4, 14, 14,-20, 24,-20, 48, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved}; // index 15 reserved, condition A as default
-
-const int32_t table_38213_13_9_c2[16] = {96, 96, 96, 96, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved}; // index 04-15 reserved
-const int32_t table_38213_13_9_c3[16] = { 1,  1,  2,  2, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved}; // index 04-15 reserved
-const int32_t table_38213_13_9_c4[16] = { 0, 16,  0, 16, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved}; // index 04-15 reserved
-
-const int32_t table_38213_13_10_c2[16] = {48, 48, 48, 48, 24, 24, 48, 48, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved}; // index 08-15 reserved
-const int32_t table_38213_13_10_c3[16] = { 1,  1,  2,  2,  1,  1,  1,  1, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved}; // index 08-15 reserved
-const int32_t table_38213_13_10_c4[16] = { 0,  8,  0,  8,-41, 25,-41, 49, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved}; // index 08-15 reserved, condition A as default
-
-const float   table_38213_13_11_c1[16] = { 0,  0,  2,  2,  5,  5,  7,  7,  0,  5,  0,  0,  2,  2,  5,  5};	//	O
-const int32_t table_38213_13_11_c2[16] = { 1,  2,  1,  2,  1,  2,  1,  2,  1,  1,  1,  1,  1,  1,  1,  1};
-const float   table_38213_13_11_c3[16] = { 1, 0.5f, 1, 0.5f, 1, 0.5f, 1, 0.5f,  1,  1,  1,  1,  1,  1,  1,  1};	//	M
-const int32_t table_38213_13_11_c4[16] = { 0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  1,  2,  1,  2,  1,  2};	// i is even as default
-
-const float   table_38213_13_12_c1[16] = { 0, 0, 2.5f, 2.5f, 5, 5, 0, 2.5f, 5, 7.5f, 7.5f, 7.5f, 0, 5, reserved, reserved}; // O, index 14-15 reserved
-const int32_t table_38213_13_12_c2[16] = { 1,  2,  1,  2,  1,  2,  2,  2,  2,  1,  2,  2,  1,  1,  reserved,  reserved}; // index 14-15 reserved
-const float   table_38213_13_12_c3[16] = { 1, 0.5f, 1, 0.5f, 1, 0.5f, 0.5f, 0.5f, 0.5f, 1, 0.5f, 0.5f, 1, 1,  reserved,  reserved}; // M, index 14-15 reserved
-
-const int32_t table_38213_10_1_1_c2[5] = { 0, 0, 4, 2, 1 };
-
 /*
 #define mu_pusch 1
 // definition table j Table 6.1.2.1.1-4

--- a/openair2/LAYER2/NR_MAC_UE/main_ue_nr.c
+++ b/openair2/LAYER2/NR_MAC_UE/main_ue_nr.c
@@ -52,7 +52,6 @@ NR_UE_MAC_INST_t * nr_l2_init_ue(NR_UE_RRC_INST_t* rrc_inst)
    nr_ue_mac_inst = (NR_UE_MAC_INST_t *)calloc(sizeof(NR_UE_MAC_INST_t),NB_NR_UE_MAC_INST);
    if (rrc_inst) {
      nr_rrc_mac_config_req_ue(0,0,0,NULL,rrc_inst->cell_group_config);
-      
      if (IS_SOFTMODEM_NOS1){
        AssertFatal(rlc_module_init(0) == 0, "%s: Could not initialize RLC layer\n", __FUNCTION__);
        pdcp_layer_init();

--- a/openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c
+++ b/openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c
@@ -559,7 +559,7 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources,
        mac->RA_window_cnt = -1;
        mac->ra_state = RA_SUCCEEDED;
        mac->generate_nr_prach = 2;
-        LOG_I(MAC, "[MAC][UE %d][RAPROC]: RAR successfully received \n", mod_id);
+        LOG_I(MAC, "[MAC][UE %d][RAPROC]: frame %d slot %d RAR successfully received\n", mod_id, frame, nr_slot_tx);

      } else if (mac->RA_window_cnt == 0 && !mac->RA_RAPID_found) {


--- a/openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c
+++ b/openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c
@@ -38,6 +38,7 @@
 #include "common/utils/nr/nr_common.h"
 #include "executables/softmodem-common.h"
 #include <stdio.h>
+#include "nfapi_nr_interface.h"

 #ifdef NR_PDCCH_DCI_TOOLS_DEBUG
 #define LOG_DCI_D(a...) printf("\t\t<-NR_PDCCH_DCI_TOOLS_DEBUG (nr_extract_dci_info) ->" a)
@@ -53,17 +54,33 @@ dci_pdu_rel15_t *def_dci_pdu_rel15;
 void fill_dci_search_candidates(NR_SearchSpace_t *ss,fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15) {

  LOG_D(MAC,"Filling search candidates for DCI\n");
-  
-  rel15->number_of_candidates=4;
-  rel15->CCE[0]=0;
-  rel15->L[0]=4;
-  rel15->CCE[1]=4;
-  rel15->L[1]=4;
-  rel15->CCE[2]=8;
-  rel15->L[2]=4;
-  rel15->CCE[3]=12;
-  rel15->L[3]=4;

+  if(ss->searchSpaceId == 0) {
+    // TODO: Update the maximum number of PDCCH candidates accordingly with Aggregation Level
+    rel15->number_of_candidates=1;
+    rel15->CCE[0]=0;
+    rel15->L[0]=6;
+  } else {
+    rel15->number_of_candidates=4;
+    rel15->CCE[0]=0;
+    rel15->L[0]=4;
+    rel15->CCE[1]=4;
+    rel15->L[1]=4;
+    rel15->CCE[2]=8;
+    rel15->L[2]=4;
+    rel15->CCE[3]=12;
+    rel15->L[3]=4;
+  }
+
+  uint8_t aggregation;
+  find_aggregation_candidates(&aggregation,
+                              &rel15->number_of_candidates,
+                              ss);
+
+  for (int i=0; i<rel15->number_of_candidates; i++) {
+    rel15->CCE[i] = i*aggregation;
+    rel15->L[i] = aggregation;
+  }
 }

 void config_dci_pdu(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15, fapi_nr_dl_config_request_t *dl_config, int rnti_type, int ss_id){
@@ -76,11 +93,21 @@ void config_dci_pdu(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_dci_dl_pdu_rel15_t
  NR_ServingCellConfigCommon_t *scc = mac->scc;
  NR_BWP_DownlinkCommon_t *bwp_Common = mac->DLbwp[bwp_id - 1]->bwp_Common;
  NR_BWP_DownlinkCommon_t *initialDownlinkBWP = scc->downlinkConfigCommon->initialDownlinkBWP;
-  NR_SearchSpace_t *ss = mac->SSpace[bwp_id - 1][coreset_id - 1][ss_id];

-  // CORESET configuration
-  NR_ControlResourceSet_t *coreset = mac->coreset[bwp_id - 1][coreset_id - 1];
+  NR_SearchSpace_t *ss;
+  NR_ControlResourceSet_t *coreset;
+  if(ss_id>=0) {
+    ss = mac->SSpace[bwp_id - 1][coreset_id - 1][ss_id];
+    coreset = mac->coreset[bwp_id - 1][coreset_id - 1];
+    rel15->coreset.CoreSetType = NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG;
+  } else {
+    ss = mac->search_space_zero;
+    coreset = mac->coreset0;
+    rel15->coreset.CoreSetType = NFAPI_NR_CSET_CONFIG_MIB_SIB1;
+  }
+
  rel15->coreset.duration = coreset->duration;
+
  for (int i = 0; i < 6; i++)
    rel15->coreset.frequency_domain_resource[i] = coreset->frequencyDomainResources.buf[i];
  rel15->coreset.CceRegMappingType = coreset->cce_REG_MappingType.present == NR_ControlResourceSet__cce_REG_MappingType_PR_interleaved ? FAPI_NR_CCE_REG_MAPPING_TYPE_INTERLEAVED : FAPI_NR_CCE_REG_MAPPING_TYPE_NON_INTERLEAVED;
@@ -95,7 +122,7 @@ void config_dci_pdu(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_dci_dl_pdu_rel15_t
    rel15->coreset.InterleaverSize = 0;
    rel15->coreset.ShiftIndex = 0;
  }
-  rel15->coreset.CoreSetType = 1;
+
  rel15->coreset.precoder_granularity = coreset->precoderGranularity;

  // Scrambling RNTI
@@ -145,6 +172,20 @@ void config_dci_pdu(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_dci_dl_pdu_rel15_t
    case NR_RNTI_SP_CSI:
    break;
    case NR_RNTI_SI:
+      // we use DL BWP dedicated
+      sps = bwp_Common->genericParameters.cyclicPrefix == NULL ? 14 : 12;
+
+      // for SPS=14 8 MSBs in positions 13 down to 6
+      monitoringSymbolsWithinSlot = (ss->monitoringSymbolsWithinSlot->buf[0]<<(sps-8)) | (ss->monitoringSymbolsWithinSlot->buf[1]>>(16-sps));
+
+      rel15->rnti = SI_RNTI; // SI-RNTI - 3GPP TS 38.321 Table 7.1-1: RNTI values
+      rel15->BWPSize = mac->type0_PDCCH_CSS_config.num_rbs;
+      rel15->BWPStart = mac->type0_PDCCH_CSS_config.cset_start_rb;
+      rel15->SubcarrierSpacing = mac->mib->subCarrierSpacingCommon;
+
+      for (int i = 0; i < rel15->num_dci_options; i++) {
+        rel15->dci_length_options[i] = nr_dci_size(scc, mac->scg, def_dci_pdu_rel15, rel15->dci_format_options[i], NR_RNTI_SI, rel15->BWPSize, 0);
+      }
    break;
    case NR_RNTI_SFI:
    break;
@@ -206,8 +247,11 @@ void ue_dci_configuration(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_request_t *dl
      // Fetch configuration for searchSpaceZero
      // note: The search space with the SearchSpaceId = 0 identifies the search space configured via PBCH (MIB) and in ServingCellConfigCommon (searchSpaceZero).
      if (pdcch_ConfigCommon->choice.setup->searchSpaceZero){
+        if (pdcch_ConfigCommon->choice.setup->searchSpaceSIB1 == NULL){
+          pdcch_ConfigCommon->choice.setup->searchSpaceSIB1=calloc(1,sizeof(*pdcch_ConfigCommon->choice.setup->searchSpaceSIB1));
+        }
+        *pdcch_ConfigCommon->choice.setup->searchSpaceSIB1 = 0;
        LOG_D(MAC, "[DCI_CONFIG] Configure SearchSpace#0 of the initial BWP\n");
-        LOG_W(MAC, "[DCI_CONFIG] This should not be available yet...");
      }
      if (ss->searchSpaceType->choice.common->dci_Format0_0_AndFormat1_0){
        // check available SS IDs
@@ -327,4 +371,25 @@ void ue_dci_configuration(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_request_t *dl
      break;
    }
  }
+
+  // Search space 0, CORESET ID 0
+
+  NR_BWP_DownlinkCommon_t *bwp_Common = bwp->bwp_Common;
+  NR_SetupRelease_PDCCH_ConfigCommon_t *pdcch_ConfigCommon = bwp_Common->pdcch_ConfigCommon;
+
+  if (pdcch_ConfigCommon->choice.setup->searchSpaceSIB1){
+
+    NR_SearchSpace_t *ss0 = mac->search_space_zero;
+    fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15 = &dl_config->dl_config_list[dl_config->number_pdus].dci_config_pdu.dci_config_rel15;
+
+    if (ss0->searchSpaceId == *pdcch_ConfigCommon->choice.setup->searchSpaceSIB1){
+      if( (frame%2 == mac->type0_PDCCH_CSS_config.sfn_c) && (slot == mac->type0_PDCCH_CSS_config.n_0) ){
+        rel15->num_dci_options = 1;
+        rel15->dci_format_options[0] = NR_DL_DCI_FORMAT_1_0;
+        config_dci_pdu(mac, rel15, dl_config, NR_RNTI_SI, -1);
+        fill_dci_search_candidates(ss0, rel15);
+      }
+    }
+  }
+
 }
--- a/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+++ b/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
--- a/openair2/LAYER2/NR_MAC_UE/rar_tools_nrUE.c
+++ b/openair2/LAYER2/NR_MAC_UE/rar_tools_nrUE.c
@@ -116,6 +116,7 @@ void nr_config_Msg3_pdu(NR_UE_MAC_INST_t *mac,
    mask = (1 << ((int) ceil(log2((ibwp_size*(ibwp_size+1))>>1)))) - 1;
  else
    mask = (1 << (28 - (int)(ceil(log2((ibwp_size*(ibwp_size+1))>>1))))) - 1;
+
  f_alloc = Msg3_f_alloc & mask;
  nr_ue_process_dci_freq_dom_resource_assignment(pusch_config_pdu, NULL, ibwp_size, 0, f_alloc);

@@ -273,7 +274,8 @@ uint16_t nr_ue_process_rar(module_id_t mod_id,

    if (ue_mac->RA_RAPID_found) {

-      uint8_t freq_hopping, mcs, Msg3_t_alloc, Msg3_f_alloc;
+      uint8_t freq_hopping, mcs, Msg3_t_alloc;
+      uint16_t Msg3_f_alloc;
      unsigned char tpc_command;
 #ifdef DEBUG_RAR
      unsigned char csi_req;

--- a/openair2/LAYER2/NR_MAC_gNB/config.c
+++ b/openair2/LAYER2/NR_MAC_gNB/config.c
@@ -385,6 +385,8 @@ int rrc_mac_config_req_gNB(module_id_t Mod_idP,
  
  if (secondaryCellGroup) {

+    RC.nrmac[Mod_idP]->secondaryCellGroupCommon = secondaryCellGroup;
+
    NR_UE_info_t *UE_info = &RC.nrmac[Mod_idP]->UE_info;
    if (add_ue == 1 && get_softmodem_params()->phy_test) {
      const int UE_id = add_new_nr_ue(Mod_idP,rnti);

--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
@@ -360,7 +360,7 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP,
    nr_rrc_trigger(&ctxt, 0 /*CC_id*/, frame, slot >> *scc->ssbSubcarrierSpacing);
  }

-  const uint64_t dlsch_in_slot_bitmap = (1 << 1) | (1 << 2);
+  const uint64_t dlsch_in_slot_bitmap = (1 << 1) | (1 << 3);
  const uint64_t ulsch_in_slot_bitmap = (1 << 8);

  memset(RC.nrmac[module_idP]->cce_list[bwp_id][0],0,MAX_NUM_CCE*sizeof(int)); // coreset0
@@ -388,6 +388,11 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP,
  // This schedules MIB
  schedule_nr_mib(module_idP, frame, slot, nr_slots_per_frame[*scc->ssbSubcarrierSpacing]);

+  // This schedules SIB1
+  if ( get_softmodem_params()->sa == 1 )
+    schedule_nr_sib1(module_idP, frame, slot);
+
+
  // This schedule PRACH if we are not in phy_test mode
  if (get_softmodem_params()->phy_test == 0) {
    /* we need to make sure that resources for PRACH are free. To avoid that

--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
@@ -424,8 +424,7 @@ void nr_simple_dlsch_preprocessor(module_id_t module_id,
  find_aggregation_candidates(&sched_ctrl->aggregation_level,
                              &nr_of_candidates,
                              sched_ctrl->search_space);
-  sched_ctrl->coreset = get_coreset(
-      sched_ctrl->active_bwp, sched_ctrl->search_space, 1 /* dedicated */);
+  sched_ctrl->coreset = get_coreset(sched_ctrl->active_bwp, sched_ctrl->search_space, 1 /*dedicated*/);
  int cid = sched_ctrl->coreset->controlResourceSetId;
  const uint16_t Y = UE_info->Y[UE_id][cid][slot];
  const int m = UE_info->num_pdcch_cand[UE_id][cid];

--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c
@@ -395,8 +395,12 @@ void nr_ul_preprocessor_phytest(module_id_t module_id,
  if (!(is_xlsch_in_slot(ulsch_in_slot_bitmap, sched_slot) && sched_slot == 8))
    return;

-  const uint16_t rbStart = 0;
-  const uint16_t rbSize = 50; /* due to OAI UE limitations */
+  const int bw = NRRIV2BW(sched_ctrl->active_ubwp->bwp_Common->genericParameters.locationAndBandwidth, 275);
+  uint16_t rbStart = 0;
+  uint16_t rbSize = 50; /* due to OAI UE limitations */
+  if (rbSize>bw)
+    rbSize = bw;
+
  uint16_t *vrb_map_UL =
      &RC.nrmac[module_id]->common_channels[CC_id].vrb_map_UL[sched_slot * 275];
  for (int i = rbStart; i < rbStart + rbSize; ++i) {

--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
@@ -176,7 +176,13 @@ int allocate_nr_CCEs(gNB_MAC_INST *nr_mac,
  //  NR_ServingCellConfigCommon_t        *scc     = cc->ServingCellConfigCommon;

  int coreset_id = coreset->controlResourceSetId;
-  int *cce_list = nr_mac->cce_list[bwp->bwp_Id][coreset_id];
+
+  int *cce_list;
+  if(bwp->bwp_Id == 0) {
+    cce_list = nr_mac->cce_list[1][0];
+  } else {
+    cce_list = nr_mac->cce_list[bwp->bwp_Id][coreset_id];
+  }

  int n_rb=0;
  for (int i=0;i<6;i++)
@@ -191,12 +197,9 @@ int allocate_nr_CCEs(gNB_MAC_INST *nr_mac,
  const uint16_t N_cce = N_reg / NR_NB_REG_PER_CCE;
  const uint16_t M_s_max = nr_of_candidates;

-  AssertFatal(m < nr_of_candidates,
-              "PDCCH candidate index %d in CORESET %d exceeds the maximum "
-              "number of PDCCH candidates (%d)\n",
-              m,
-              coreset_id,
-              nr_of_candidates);
+  //PDCCH candidate index m in CORESET exceeds the maximum number of PDCCH candidates
+  if(m >= nr_of_candidates)
+    return -1;

  int first_cce = aggregation * (( Y + CEILIDIV((m*N_cce),(aggregation*M_s_max)) + n_CI ) % CEILIDIV(N_cce,aggregation));

@@ -833,8 +836,12 @@ void nr_configure_pdcch(gNB_MAC_INST *nr_mac,
      pdcch_pdu->ShiftIndex = 0;
    }

-    pdcch_pdu->CoreSetType = 1; 
-    
+    if(coreset->controlResourceSetId == 0) {
+      pdcch_pdu->CoreSetType = NFAPI_NR_CSET_CONFIG_MIB_SIB1;
+    } else{
+      pdcch_pdu->CoreSetType = NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG;
+    }
+
    //precoderGranularity
    pdcch_pdu->precoderGranularity = coreset->precoderGranularity;

@@ -1329,22 +1336,42 @@ void fill_dci_pdu_rel15(NR_ServingCellConfigCommon_t *scc,
 	break;
 	
      case NR_RNTI_SI:
-	// Freq domain assignment 0-16 bit
-	fsize = (int)ceil( log2( (N_RB*(N_RB+1))>>1 ) );
-	for (int i=0; i<fsize; i++)
-	  *dci_pdu |= ((dci_pdu_rel15->frequency_domain_assignment.val>>(fsize-i-1))&1)<<(dci_size-pos++);
-	// Time domain assignment 4 bit
-	for (int i=0; i<4; i++)
-	  *dci_pdu |= (((uint64_t)dci_pdu_rel15->time_domain_assignment.val>>(3-i))&1)<<(dci_size-pos++);
-	// VRB to PRB mapping 1 bit
-	*dci_pdu |= ((uint64_t)dci_pdu_rel15->vrb_to_prb_mapping.val&1)<<(dci_size-pos++);
-	// MCS 5bit  //bit over 32, so dci_pdu ++
-	for (int i=0; i<5; i++)
-	  *dci_pdu |= (((uint64_t)dci_pdu_rel15->mcs>>(4-i))&1)<<(dci_size-pos++);
-	// Redundancy version  2bit
-	for (int i=0; i<2; i++)
-	  *dci_pdu |= (((uint64_t)dci_pdu_rel15->rv>>(1-i))&1)<<(dci_size-pos++);
-	
+         pos=1;
+
+        // Freq domain assignment 0-16 bit
+        fsize = (int)ceil( log2( (N_RB*(N_RB+1))>>1 ) );
+        for (int i=0; i<fsize; i++)
+          *dci_pdu |= (((uint64_t)dci_pdu_rel15->frequency_domain_assignment.val>>(fsize-1-i))&1)<<(dci_size-pos++);
+
+        // Time domain assignment 4 bit
+        for (int i=0; i<4; i++)
+          *dci_pdu |= (((uint64_t)dci_pdu_rel15->time_domain_assignment.val>>(3-i))&1)<<(dci_size-pos++);
+
+        // VRB to PRB mapping 1 bit
+        *dci_pdu |= ((uint64_t)dci_pdu_rel15->vrb_to_prb_mapping.val&1)<<(dci_size-pos++);
+
+        // MCS 5bit  //bit over 32, so dci_pdu ++
+        for (int i=0; i<5; i++)
+          *dci_pdu |= (((uint64_t)dci_pdu_rel15->mcs>>(4-i))&1)<<(dci_size-pos++);
+
+        // Redundancy version  2 bit
+        for (int i=0; i<2; i++)
+          *dci_pdu |= (((uint64_t)dci_pdu_rel15->rv>>(1-i))&1)<<(dci_size-pos++);
+
+        // System information indicator 1bit
+        *dci_pdu |= ((uint64_t)dci_pdu_rel15->system_info_indicator&1)<<(dci_size-pos++);
+
+        // reserved 15 bits
+
+        LOG_D(PHY,"dci_size = %i\n", dci_size);
+        LOG_D(PHY,"fsize = %i\n", fsize);
+        LOG_D(PHY,"dci_pdu_rel15->frequency_domain_assignment.val = %i\n", dci_pdu_rel15->frequency_domain_assignment.val);
+        LOG_D(PHY,"dci_pdu_rel15->time_domain_assignment.val = %i\n", dci_pdu_rel15->time_domain_assignment.val);
+        LOG_D(PHY,"dci_pdu_rel15->vrb_to_prb_mapping.val = %i\n", dci_pdu_rel15->vrb_to_prb_mapping.val);
+        LOG_D(PHY,"dci_pdu_rel15->mcs = %i\n", dci_pdu_rel15->mcs);
+        LOG_D(PHY,"dci_pdu_rel15->rv = %i\n", dci_pdu_rel15->rv);
+        LOG_D(PHY,"dci_pdu_rel15->system_info_indicator = %i\n", dci_pdu_rel15->system_info_indicator);
+
 	break;
 	
      case NR_RNTI_TC:
@@ -1994,32 +2021,6 @@ void get_pdsch_to_harq_feedback(int Mod_idP,
 }


-void find_aggregation_candidates(uint8_t *aggregation_level,
-                                 uint8_t *nr_of_candidates,
-                                 NR_SearchSpace_t *ss) {
-
-  if (ss->nrofCandidates->aggregationLevel1 != NR_SearchSpace__nrofCandidates__aggregationLevel1_n0) {
-    *aggregation_level = 1;
-    *nr_of_candidates = ss->nrofCandidates->aggregationLevel1;
-  }
-  if (ss->nrofCandidates->aggregationLevel2 != NR_SearchSpace__nrofCandidates__aggregationLevel2_n0) {
-    *aggregation_level = 2;
-    *nr_of_candidates = ss->nrofCandidates->aggregationLevel2;
-  }
-  if (ss->nrofCandidates->aggregationLevel4 != NR_SearchSpace__nrofCandidates__aggregationLevel4_n0) {
-    *aggregation_level = 4;
-    *nr_of_candidates = ss->nrofCandidates->aggregationLevel4;
-  }
-  if (ss->nrofCandidates->aggregationLevel8 != NR_SearchSpace__nrofCandidates__aggregationLevel8_n0) {
-    *aggregation_level = 8;
-    *nr_of_candidates = ss->nrofCandidates->aggregationLevel8;
-  }
-  if (ss->nrofCandidates->aggregationLevel16 != NR_SearchSpace__nrofCandidates__aggregationLevel16_n0) {
-    *aggregation_level = 16;
-    *nr_of_candidates = ss->nrofCandidates->aggregationLevel16;
-  }
-}
-

 /*void fill_nfapi_coresets_and_searchspaces(NR_CellGroupConfig_t *cg,
 					  nfapi_nr_coreset_t *coreset,

--- a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h
+++ b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h
@@ -80,6 +80,15 @@ void nr_schedule_ue_spec(module_id_t module_id,
                         sub_frame_t slot,
                         int num_slots_per_tdd);

+void schedule_control_sib1(module_id_t module_id,
+                           int CC_id,
+                           int time_domain_allocation,
+                           uint8_t mcsTableIdx,
+                           uint8_t mcs,
+                           int num_total_bytes);
+
+void schedule_nr_sib1(module_id_t module_idP, frame_t frameP, sub_frame_t subframeP);
+
 /* \brief default preprocessor */
 void nr_simple_dlsch_preprocessor(module_id_t module_id,
                                  frame_t frame,
@@ -296,9 +305,6 @@ NR_SearchSpace_t *get_searchspace(
    NR_BWP_Downlink_t *bwp,
    NR_SearchSpace__searchSpaceType_PR target_ss);

-void find_aggregation_candidates(uint8_t *aggregation_level,
-                                 uint8_t *nr_of_candidates,
-                                 NR_SearchSpace_t *ss);

 long get_K2(NR_BWP_Uplink_t *ubwp, int time_domain_assignment, int mu);


--- a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
+++ b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
@@ -62,6 +62,8 @@
 #include "NR_PHY_INTERFACE/NR_IF_Module.h"

 /* MAC */
+#include "LAYER2/MAC/mac.h"
+#include "LAYER2/MAC/mac_proto.h"
 #include "LAYER2/NR_MAC_COMMON/nr_mac_extern.h"
 #include "LAYER2/NR_MAC_COMMON/nr_mac_common.h"
 #include "NR_TAG.h"
@@ -553,6 +555,11 @@ typedef struct gNB_MAC_INST_s {
  nr_pp_impl_dl pre_processor_dl;
  /// UL preprocessor for differentiated scheduling
  nr_pp_impl_ul pre_processor_ul;
+
+  NR_UE_sched_ctrl_t *sched_ctrlCommon;
+  NR_CellGroupConfig_t *secondaryCellGroupCommon;
+  NR_Type0_PDCCH_CSS_config_t type0_PDCCH_CSS_config;
+
 } gNB_MAC_INST;

 #endif /*__LAYER2_NR_MAC_GNB_H__ */
--- a/openair2/LAYER2/rlc_v2/TODO
+++ b/openair2/LAYER2/rlc_v2/TODO
@@ -13,6 +13,3 @@ RLC AM
 - 36.322 5.1.3.2.3 Actions when a RLC data PDU is placed in the reception
  buffer
  [...] and in-sequence byte segments of the AMD PDU with SN = VR(R) [...]
-
- use SOstart/SOend in NACK reporting, do not NACK full PDU if
-  parts of it have been received
--- a/openair2/LAYER2/rlc_v2/rlc_entity_am.c
+++ b/openair2/LAYER2/rlc_v2/rlc_entity_am.c
--- a/openair2/LAYER2/rlc_v2/rlc_pdu.c
+++ b/openair2/LAYER2/rlc_v2/rlc_pdu.c
@@ -233,9 +233,10 @@ static void put_bit(rlc_pdu_encoder_t *encoder, int bit)
    exit(1);
  }

-  encoder->buffer[encoder->byte] <<= 1;
  if (bit)
-    encoder->buffer[encoder->byte] |= 1;
+    encoder->buffer[encoder->byte] |= 1 << (7 - encoder->bit);
+  else
+    encoder->buffer[encoder->byte] &= ~(1 << (7 - encoder->bit));

  encoder->bit++;
  if (encoder->bit == 8) {

--- a/openair2/LAYER2/rlc_v2/tests/run_tests.sh
+++ b/openair2/LAYER2/rlc_v2/tests/run_tests.sh
 #!/bin/sh

-test_count=45
+test_count=49

 for i in `seq $test_count`
 do

--- a/openair2/LAYER2/rlc_v2/tests/test11.txt.gz
+++ b/openair2/LAYER2/rlc_v2/tests/test11.txt.gz
--- a/openair2/LAYER2/rlc_v2/tests/test12.txt.gz
+++ b/openair2/LAYER2/rlc_v2/tests/test12.txt.gz
--- a/openair2/LAYER2/rlc_v2/tests/test46.h
+++ b/openair2/LAYER2/rlc_v2/tests/test46.h
--- a/openair2/LAYER2/rlc_v2/tests/test46.txt.gz
+++ b/openair2/LAYER2/rlc_v2/tests/test46.txt.gz
--- a/openair2/LAYER2/rlc_v2/tests/test47.h
+++ b/openair2/LAYER2/rlc_v2/tests/test47.h
--- a/openair2/LAYER2/rlc_v2/tests/test47.txt.gz
+++ b/openair2/LAYER2/rlc_v2/tests/test47.txt.gz
--- a/openair2/LAYER2/rlc_v2/tests/test48.h
+++ b/openair2/LAYER2/rlc_v2/tests/test48.h
--- a/openair2/LAYER2/rlc_v2/tests/test48.txt.gz
+++ b/openair2/LAYER2/rlc_v2/tests/test48.txt.gz
--- a/openair2/LAYER2/rlc_v2/tests/test49.h
+++ b/openair2/LAYER2/rlc_v2/tests/test49.h
--- a/openair2/LAYER2/rlc_v2/tests/test49.txt.gz
+++ b/openair2/LAYER2/rlc_v2/tests/test49.txt.gz
--- a/openair2/LAYER2/rlc_v2/tests/test6.h
+++ b/openair2/LAYER2/rlc_v2/tests/test6.h
--- a/openair2/LAYER2/rlc_v2/tests/test6.txt.gz
+++ b/openair2/LAYER2/rlc_v2/tests/test6.txt.gz
--- a/openair2/LAYER2/rlc_v2/tests/test7.h
+++ b/openair2/LAYER2/rlc_v2/tests/test7.h
--- a/openair2/LAYER2/rlc_v2/tests/test7.txt.gz
+++ b/openair2/LAYER2/rlc_v2/tests/test7.txt.gz
--- a/openair2/LAYER2/rlc_v2/tests/test9.h
+++ b/openair2/LAYER2/rlc_v2/tests/test9.h
--- a/openair2/LAYER2/rlc_v2/tests/test9.txt.gz
+++ b/openair2/LAYER2/rlc_v2/tests/test9.txt.gz
--- a/openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c
+++ b/openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c
--- a/openair2/RRC/NR/L2_nr_interface.c
+++ b/openair2/RRC/NR/L2_nr_interface.c
--- a/openair2/RRC/NR/MESSAGES/asn1_msg.c
+++ b/openair2/RRC/NR/MESSAGES/asn1_msg.c
--- a/openair2/RRC/NR/nr_rrc_defs.h
+++ b/openair2/RRC/NR/nr_rrc_defs.h
--- a/openair2/RRC/NR/nr_rrc_proto.h
+++ b/openair2/RRC/NR/nr_rrc_proto.h
--- a/openair2/RRC/NR/rrc_gNB.c
+++ b/openair2/RRC/NR/rrc_gNB.c
--- a/openair2/RRC/NR/rrc_gNB_internode.c
+++ b/openair2/RRC/NR/rrc_gNB_internode.c
--- a/openair2/RRC/NR/rrc_gNB_nsa.c
+++ b/openair2/RRC/NR/rrc_gNB_nsa.c
--- a/openair2/RRC/NR/rrc_gNB_reconfig.c
+++ b/openair2/RRC/NR/rrc_gNB_reconfig.c
--- a/openair2/RRC/NR_UE/L2_interface_ue.c
+++ b/openair2/RRC/NR_UE/L2_interface_ue.c
--- a/openair2/RRC/NR_UE/rrc_UE.c
+++ b/openair2/RRC/NR_UE/rrc_UE.c
--- a/openair2/RRC/NR_UE/rrc_defs.h
+++ b/openair2/RRC/NR_UE/rrc_defs.h
--- a/openair2/RRC/NR_UE/rrc_proto.h
+++ b/openair2/RRC/NR_UE/rrc_proto.h
--- a/openair2/SIMULATION/NR_RRC/itti_sim.c
+++ b/openair2/SIMULATION/NR_RRC/itti_sim.c
--- a/targets/ARCH/rfsimulator/simulator.c
+++ b/targets/ARCH/rfsimulator/simulator.c
--- a/targets/ARCH/rfsimulator/stored_node.c
+++ b/targets/ARCH/rfsimulator/stored_node.c
--- a/targets/COMMON/create_nr_tasks.h
+++ b/targets/COMMON/create_nr_tasks.h
--- a/targets/COMMON/create_tasks.h
+++ b/targets/COMMON/create_tasks.h
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band257.tm1.32PRB.usrpx300.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band257.tm1.32PRB.usrpx300.conf
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band261.tm1.32PRB.usrpn300.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band261.tm1.32PRB.usrpn300.conf
--- a/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.usrpb210.conf
+++ b/targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.usrpb210.conf